Two tones optional: Ding Dong/Golden Melody
Strong digital anti-interference
Operating range up to 100m (no obstacles)
Transmitter: 9V alkaline battery
Receiver: 3 x 1.5V AA alkaline battery
Frequency: 315/433MHz +/- 0.5MH....
1. Designed by American designers and exquisite color box packing
2. High doorbell with plug quality, approved by CE, FCC, RoHS,ISO9001
3. 16 chord high-quality melodies (52 pcs)
4. 280~300m radio distance,with LED flash light(Can penetra....
* Loop and support WAV format
* Can store 207 piece slogans, message or music, and easy to change.
* A sound of distinct pitch as H1-F1.
* Speaker built-in. Adjustment volume.
* Support downloaded by USB2.0 and fast.
* The human b....
The door bell transmits up to 100 M;
16 sounds for your choice;
low quiescent current and long life;
The transmitter is powered by 12V battery and the receiver is by 2*1.5V AA batteries;
Easy to install and p....
Wireless doorbell works with original energy harvesting technology without using electric wires, which can be placed anywhere and moved anytime.
No batteries, permanent use，
Warranty: 2 years
Four options for volume control
Set up in under a minute, no wiring, no tools
Suitable for windows, doors or cabinets
Dual action switch for alarm or chime - no key needed
Alarm or chime sounds when contacts parted
Product Code: SP-001....