1 No need for wiring, easy installation
2. Long distance, open space up to 70-110M
3. High-frequency vibrating body, strong penetrating ability
4.32 pre-selected music ringtones
5. When the music starts, flash the LED lights at the same time.

6. A variety of styles to choose from.

Product Name: Crystal Oscillator Wireless Flash Doorbell
Product Specifications:

Receiver: 2 AA batteries

Transmitter: 1 x 12V 23A Battery (Included)

Frequency: 315Hz
Quantity: 60/case

Usage: After installing the battery, switch the receiver to the selection sound (double arrow) position (pressing the launch button once will change the ringtone, if you want to fix a certain music, you can switch to the fixed sound position (music symbol) to fix it).

 Notes

★When installing a doorbell, it is not recommended to approach metal objects, to avoid the influence of metal magnetic fields on the effectiveness of the doorbell;

  ★Press the button and the doorbell use the same frequency coding to pair and use, and you cannot operate with unpaired buttons.

  ★ Do not install the doorbell or button in places exposed to direct sunlight or rain.

  ★ Try to use high-quality alkaline batteries and regularly check if the battery leaks and corrodes the circuit board.