Specification

Input power supply:5V DC (160MA).
Specification (1 / 2 At Optional): 1. State of 0-1.5V low level relay ON;State of 2.5-5V high level relay OFF;State of 0-2.5V low level relay ON;State of 3-5V high level relay OFF.
Interface: DC+:connect to positive(according to the relay voltage supply); DC-:connect to negative,CH relay module signal triggering side (high level trigger active).
Trigger voltage: low level 0-2.5V, high default 3.5-5V (in the case of voltage 12V trigger, you need a series resistance of a 5.1-6.8K before the trigger; 24V voltage trigger, you need a 15-22K resistors in series before the trigger, otherwise it will burn the chip).
Voltage: low voltage.
Static current: 0mA .
Working current: 12.5mA.
Trigger current: 2mA.
Weight: 13g.
Pack Size: 25*34*25mm.