Function:
1 NO BATTERY REQUIRED: Just plug in the DC 12V access control power supply and you have enough to go. No doorbell battery required.
2. Easy to use: After connecting to the access control system, press the doorbell button, the doorbell will make a pleasant sound.
3 90dB volume: 90dB high volume doorbell The sound is clear, so you wont be afraid to hear or miss important people or things.
4 PREMIUM QUALITY ABS: This material is flame retardant, fire retardant, heat resistant, and can be used for a long time.
5 WIDE APPLICATION: Classic wired doorbell can be used in hotel, home and other places.
How to use:
1 Connect DC12V power supply, connect the red line to positive (+) and connect the black wire to negative (‑).
2. Short circuit green wire and yellow wire to make a Jingdong call bell.
Specifications:
Item Type: Wire Door Bell
Material: ABS.
Voltage: DC 12V
Volume: 90dB
Package List:
1 x Wired doorbell