This is door bell ringtone for door access controller with bell function, like access keypad, RFID reader... etc. It cannot work alone, and it is speaker only, NO bell button.
Note:
- No manual, Red wire for positive, Black wire for neagtive
Packing List (bulk pack):
Features:
- Speaker for door bell, must use with door system with door bell function
- Power input is 12V, Red for positive, Black for negative
- Green and Yellow wire connect to Bell connector on door system
- Bell ring is "Ding Dong" twice
- Size: 7 x 9 x 2.8cm (2.76 x 3.54 x 1.1 inch)
- Weight: 56.3g (0.12 lb)