• Remote doorbell: the doorbell has a long signal transmission distance, which is very suitable for large houses, office buildings, classrooms, etc.
  

• The volume can be adjusted at will: 4 adjustable volumes are provided at any time of the day! It can also accommodate users with babies and light sleepers

• Multiple ringtones can be switched, with multiple ringtones and alarm ringtones, suitable for any occasion

• There are two ways to install the transmitter, you can use the included double-sided adhesive sticker or fix it with screws

• Waterproof design, suitable for a variety of weather, not afraid of rain

• Operating distance: 150m in an open space (distance varies according to different operating environments)

Specifications:

• Transmitter:

• Working voltage: 3V Button Battery 

• Standby power consumption: 0uA

• Transmission frequency: 433.92MHZ

• Number of buttons: 1

• Transportation and storage temperature/humidity: -20~60℃/≤85%RH

• Operating temperature/humidity: -20~60℃/≤85%RH

• Shell material: ABS

• Product size (mm): 37 x 79 x 20mm

• Weight: 80.6g

• Receiver:

• Working voltage: AC110V-220V 60HZ/50HZ

• Standby power consumption: <0.5W

• Transmission frequency: 433.92 Mhz

• Buttons: 3, volume button, song selection button, and mode button

• Music: 58 songs

• 4 Mode: bell ring + light on, bell ring + light off, light on only, and light is always on

• Sound intensity: 25-85dB

• Speaker: 16Ω/0.25W

• Transportation and storage temperature/humidity: -20~60℃/≤85%RH

• Operating temperature/humidity: -20~60℃/≤85%RH

• Shell material: ABS

• Product size: 78.5 x 86 x 68mm