Household water heater
Household water heater has become a commonly used appliance for preparing hot water in the home. Consumers should pay attention to the following points when purchasing and using it:
Purchasing common sense
1. Purchase products through formal channels, choose products with the CCC certified mark, and check whether the product's factory name and address, instruction manual, warranty, etc. are complete. When purchasing, you should ask the merchant for valid vouchers such as invoices.
2. Choose the appropriate type of household water heater based on the house structure, ventilation conditions and usage needs.
3. When purchasing gas water heater , pay attention to the gas type indicated on the packaging box and nameplate, and choose a water heater that is consistent with the type of gas used in the home.
4. When purchasing an electric water heater, the power used by the water heater should match the household power supply configuration, and electric water heaters with anti-leakage devices should be preferred.
Use common sense
1. Gas water heaters need to be installed in a well-ventilated room, away from flammable and explosive items . If you need to modify the gas pipeline, you should contact the gas company for construction; when installing an electric water heater, you should confirm whether the power of the water heater matches the household power supply configuration, and whether the weight of the water heater matches the load-bearing wall. After the installation conditions are confirmed to be correct, the installation will be carried out by professionals designated by the manufacturer.
2. Use it correctly in accordance with the requirements of the instruction manual during use. Do not modify or dismantle the water heater by yourself to avoid safety hazards.
3. When using a gas water heater, pay attention to ensure ventilation and use it with caution in windy weather; when using an electric water heater, be careful to prevent empty burning.
4. Pay attention to the service life of the water heater and ask professionals to clean or inspect it regularly.
Home Beauty Instruments
With the improvement of consumption levels, people’s demand for beauty is gradually rising, and various home beauty instruments are becoming more and more popular. Consumers should pay attention to the following points when purchasing and using:
Purchasing common sense
1. You should buy from regular channels, pay attention to choosing a reputable merchant, pay attention to check whether the product appearance is complete, whether the instructions for use are complete, and keep the purchase voucher and invoice.
2. Pay attention to the brand and function of the product, and choose the appropriate product according to your own skin condition and needs.
Common sense usage
1. Operate in accordance with the requirements of the product instruction manual.
2. When using a beauty instrument with a heating function, do not increase the frequency or time of use at will to avoid skin damage or low-temperature burns and other injuries.
3. Pregnant women or skin wounds should be used with caution when using microcurrent beauty devices.
4. When using a beauty device with metal coating, you should try it on your hands first, and then use it on your face if you feel no discomfort.
5. When using a beauty device equipped with a special gel, it is recommended to use the gel that comes with the product.
6. It is recommended not to use cosmetics containing alcohol with the beauty device for skin care. The product should be cleaned in time after use to avoid residues that affect the life of the beauty device.
7. People with allergic constitution , people with skin diseases and allergic dermatitis, people with sensitive skin, etc. If any adverse effects occur during use, please stop using the beauty device immediately.
smart door locks are favored by consumers because of their intelligence, convenience, safety and other advantages. Consumers should pay attention to the following points when purchasing and using:
smart door locks
Purchasing common sense
1. When purchasing products through formal channels, pay attention to check whether the product name, manufacturer's name and address, implementation standards and other contents on the product label are complete, and whether the product certificate , instructions, warranty, etc. are complete. Avoid purchasing "three noes" products. When purchasing, you should ask the merchant for valid vouchers such as invoices.
2. It is recommended to choose products marked with the implementation of the national standard GB 21556 "General Technical Conditions for Lock Safety".
3. Choose a smart door lock with emergency opening function for use in emergency situations.
4. Pay attention to the service life of smart door locks when purchasing.
Use common sense
1. After installing the smart door lock for the first time, change the default password to prevent criminals from opening the door lock through the default password.
2. It is recommended to enable the unlocking method of smart door lock combination verification, such as: using "password + fingerprint", "password + card swipe", "face + fingerprint" and other double verification methods.
3. When using smart door locks with the information identification card unlocking function, keep the information identification card properly; when using smart door locks with the fingerprint unlocking function, pay attention to whether there are suspicious traces or scratches to prevent illegal reading and copying.
4. Check the power of the smart door lock regularly, charge or replace the battery in time, and check whether the lock core hole and the emergency charging port are blocked.
5. If something goes wrong during use, do not disassemble it yourself. You need to contact a professional for on-site repair.
6. Keep the emergency key properly in case of emergency.
Household gas alarm
Household gas alarm is a device with alarm functions for gas leakage and incomplete gas combustion . Consumers should pay attention to the following points when purchasing and using:
Purchasing common sense
1. Choose regular channels and reputable merchants to purchase. The product should be marked with the name and model, execution standards, factory name and address and other information. Pay attention to whether the product factory inspection certificate and installation instructions are complete, and ask the merchant for purchase invoices and other vouchers.
2. Household gas alarms are generally divided into artificial gas type, natural gas type, liquefied petroleum gas type, etc. The corresponding alarm needs to be selected according to the type of gas.
3. When purchasing, pay attention to the applicable gas type, rated operating voltage, production date and other information on the nameplate mark, especially the validity period of the alarm.
Use common sense
1. The installation locations of alarms for different gas types are different. They should be installed in the appropriate location according to the instructions and avoid installation in blocked places or places that are easily contaminated.
2. Before use, start the alarm self-test function to confirm that the product has entered the normal monitoring state, and observe whether the alarm indicator light is in normal working condition.
3. During use, the alarm should be cleaned and maintained regularly to avoid clogging of the air inlet. After restarting, the self-test function of the alarm needs to be started again to ensure that the alarm functions are normal.
4. If the alarm sounds an alarm, you should first close the gas valve , open the doors and windows for ventilation, and do not turn on the lights or any electrical switches. Find the cause of gas leakage. If the cause cannot be determined, contact the gas company for processing.
5. During use of the alarm, it should be kept powered on for a long time to avoid frequent power outages and power ons.
6. It should be used within the validity period indicated on the product manual or nameplate mark. If the product expires, it should be replaced in time.
Source: Consumer Guide Magazine
