■■Features ■■
 
Feature 1: Zero electromagnetic radiation, suitable for pregnant women's living environment.
 
Feature 2: Pure flat plate, no ash, easy to clean.
 
Feature 3: Touch the transmitter, the mouse type is lightly designed, and the service life is more than 100,000 times.
 
Feature 4: Waterproof transmitter, not afraid of sun and rain.
 
Feature 5: Anti-interference will not appear crosstalk.
 
Feature 6: New ABS flame retardant casing, precision parts, and patch technology.
 
Feature 7: Signal penetration is much better than the same price.
 
Feature 8: 4 files adjustable volume and music installation is simple and convenient to use (first default 叮咚叮咚)
 
Feature 9: Ultra-low power consumption, the receiver is less than one degree a year, the transmitter battery can be used for one to two years, the battery can be replaced, the product life is much longer than the so-called electric doorbell, battery supermarket, grocery store, computer City, hardware stores are available for sale.
 
Features 10: Wireless installation, convenient and fast.
 
Feature 11: The remote control distance is 200M in the open space, which can penetrate 2-3 walls and security doors.

 ● Type: 1 drag 1 - transmitter (remote control) × 1 + receiver (sounder) × 1
● Remote control power: <10mw
● Receiver rated voltage: AC85-240V 50Hz/60Hz
● Receiver controllable volume: 20-80dB (four-speed volume, any adjustment, user-friendly design)
● Receiver standby current: <1.0mA
● Receiver plug: successful in-line plug
● Operating frequency: 433.92MHz ± 0.5MHz
● Accessories: mounting screw package, double-sided adhesive, transmitter built-in 12V 23A alkaline battery 1 section