Touch the button configuration, superheterodyne learning code on the code mode.
The transmitter without screw chuck design to achieve waterproof and dustproof.
Double-sided stability of the PCB, the chip standby sleep up to micro-level.
The transmitter 12V 23A battery. (Included)
The receiver 3pcs AA battery. (Not included.)
The use of microprocessor control, double-sided PCB micro-power design.
The frequency of 433MHz, can be customized other frequencies.
Receiving distance: 300M (open area)
Volume: 6 files (can be mute) 0-110db
Ringtones: 48 pcs
Transmitter size: 79 x 45 x 22mm
Receiver size: 100 x 57 x 25mm
Receivers Rated voltage: AC 110V-220V -240V