DC Wireless doorbell #RL-3936B
- - Battery-powered wireless door chime kit
- - 1 chime with 2 push buttons
- - 38 pleasant chord ringtones
- - Millions of learning code and digital transmission to avoid interference effectively
- - RF: 433.92MHz ±250KHz
- - Working distance ≥150m (open area)
- - 4 Levels volume adjustable
- - Powered by 3*AA alkaline batteries (not included)
