Specification: Working
voltage: 110V (US) / 220V (EU)
Batttery for transmitter (Push boutton): 23A x 1Pc (included)
Volume: 0-110DB
Transmitter Power: lt; 10mw
Working Frequency: 433.92M hz
Shell color: White
Type: US Plug (110V), EU Plug (220V)
Optional Feature: 1. Waterproof (IP44) wireless doorbell with Push button 2. Up to 1000ft/300m operation range in open space 3.52 melodies with 4 levels of adjustable Volume 4. Self-learning code system automatically adjusts to eliminate interference 5. Plugin powered with no wiring and no electrician needer 6. Blue LED indicator
Pckage included: 1 x Receiver 1 x
Transmitter More details: