Model No.: WRT-WDB3819

Features
1. The infrared wireless doorbell is fully compatible between transmitter and receiver, with up to 20,000 combinations.
2. It offers 16 digital codes to avoid interference.
3. The infrared wireless doorbell is small in size, portable and easy to carry.
4. It offers 16 chords of music and has 12 pieces of music to select.
5. It has a flash blue light.
6. It offers adjustable music volume.
7. The infrared wireless doorbell can be used as a pager for the sick and the aged.

Technical Specifications for the Long Distance Volume Adjustable Infrared Wireless Doorbell
Operating temperature: -30 to 60
Frequency: 315/433MHZ0.5MHZ

Technical Specifications for the Receiver
Quiescent current: 70-100mA
Working current: 80-110mA
Working voltage: AC110V~130V/220V~240V
Max controlling distance: >180M (no obstacles
Power consumption: 1~2W
Volume: 80db

Technical Specifications for the Transmitter
Quiescent current: 0mA
Working current: < 10mA
Working voltage: 9V/12V

WRT is a professional long distance volume adjustable infrared wireless doorbell manufacturer based in China. We offer various types of home security products such as webcam, smart home system central panel, video intercom indoor monitor, and lighting adjust switch.