Hikvsion DS-PM1-O1L-WE Low Voltage Relay

Relay Module

868 MHz two-way wireless communication
AES-128 encryption
LED display, show status of device and replay on/off display
Small case design, which can be put into hiding places easily
Automation operating, one button turn on/off from APP/Keyfob/Keypad
Setting scenarios by different events
An alarm input for tamper, NO, NC