Help call button transmitter & receiver is designed to use in emergency, to call a person inside of the building
Reciever could be located outside / transmitter to inside
Operating Frequency: 433.92 Mhz
Microprocessor Controlled Surface mount
Easy to Setup

Transmitter
Transmitter operates wireless with CR123A battery
Red LED Indicator when pressed call button for 2s (sends alarm to reciever)
Eliminates the power failure with battery
12V DC
86x86x39mm

Reciever
When pressed call button buzzer operates for 10s
Sound intensity 85dB
Piezo Buzzer
220VAC 50Hz
110x110x39mm