--Support pairing with your wifi doorbell.

--Easy to install and use.

--52 different melodies to choose from.

--Ultra-low design, save long-lasting use.

--Designed for flexibility and practicality, this home wireless doorbell is here to let you hear their chimes wherever you are.

--The remote wireless doorbell you've always needed: Forget wires, wires, drill holes and electrician bills.

--Size: 82×82×20mm

Description:
Name: Door Bell 

Colour: Black
Plug: US
Working voltage: AC 90~250V
Operating frequency: 433.92mhz +/-280 KHz
Consumption: 10 mW
Transmission: 0dbm
Sensitivity: - 110 DBM
Net weight: 92 grams
Volume: up to 110db
Size: 82×82×20mm
match:
Press and hold the Dingdong volume key for 4 seconds, the LED light will turn on, and press the wi-fi video doorbell key within 5 seconds. When the ding dong light flashes, the pairing is complete.
1. Select:
Ding Dong is powered on, short press the right curve key to play the previous song, short press the curve key to play the next song. 52 pieces of music can be selected and played in a loop.
2. Music memory in learning mode:
Under music, press and hold the volume key for 4 seconds, the music indicator will light up and enter the learning state. At this time, press the wi-fi video doorbell button, the indicator light flashes, and the memory is completed. After the above steps are completed, it will automatically exit the learning state. Note: One Ding Dong can be used to code 16 wi-fi visible doorbells. A Wi-Fi video doorbell can jingle at most.
3. Two or more wi-fi video doorbells correspond to the same music or the same ding-dong:
Press the second point 2 to enter the learning state, learn the first wi-fi video doorbell, press another wi-fi video doorbell in sequence or at the same time, and then automatically exit the learning state.
4. Two or more wi-fi video doorbells correspond to different music:
Press the second point to enter the learning state, learn the first wi-fi video doorbell, press Dingdong to select the next desired music, then press the second wi-fi video doorbell, and so on. Automatically exit the learning state after completion.
5. Two or more music/ding-dong correspond to the same wi-fi video doorbell:
Press and hold the first volume key for 4 seconds to enter the learning state, press the wi-fi video doorbell, and the pairing is successful within 5 seconds. Repeat this operation to pair Dingdong with this wi-fi video doorbell one by one.

Safety Instructions:
1. Please install your chime according to this manual to avoid any malfunction or damage.
2. The chime is for indoor use only.
3. The bell is not user-serviceable, and there is a risk of electric shock when opened.
4. Do not directly expose to rain/drops or immerse in water.
5. Do not install near a fireplace or expose to high temperatures.
6. Never use any cleaning chemicals or damp cloth to clean the device. Use only dry, clean and soft cloth/microfiber cloth.

Packing list:
1 x Door Bell 
1 x user manual
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.