RL-3995 doorbell Battery-powered wireless doorbell with shining LED display
- Battery-powered wireless doorbell with shining LED display - Very friendly to someone hard of hearing - 60 pleasant chord ringtones - Learning code technology and digital transmission to avoid interference effectively - RF: 433.92MHz ±250KHz - Working distance ≥300m (open area) - 5 Levels volume adjustable - Receiver powered by 3*AA alkaline batteries (not included)
