voltage	DC12V
power	＜0.2W
operation temperature	-25℃-60℃
Input method	Normally open or normally closed contacts
Communication method	RS485 bus
size	40mm(L)*17mm(W)*7mm(H)

Functional features:
1. Equipped with an 8-bit dip switch that can set 255 addresses;
2. Compatible with alarm keyboard YR-LC-TX/KB2 and anti-theft alarm controller protocol;
3. Connect various types of switch output alarms and enter the control bus.