Vibrating doorbell wireless 300m with 36 ringstone and colorful light doorbell ring for deaf
Price: $5.75
1. Operating frequency: 433.92MHZ ;
2. Reminder mode: ringtone+flash+vibration, ringtone, flash, vibration;
3. Power supply: built-in 14500mah rechargeable battery on receiver, built-in CR2032 cell batteries on transmitter;
4. 36 ring tones choices, 4 level adjustable volume;
5. Transmission distance:300M in a open air place;