Working Voltage: DC3.5V-DC12V (Wide Range Working Voltage DC3.7V 4.5V 5V 6V 9V 12V all is ok) (it can work with DC Power / Rechargeable lithium battery / Rechargeable Pal) Max Load: 1A (have better Load less than 700ma) Quiescent Current: 4ma Relay Working Current: 20-30ma Working Mode: Momentary Toggle Latched 5s10s15s Momentary time delay off PCB : 34 x 14 x 7.4mm Case:39.5 x 20 x 10.5mm Encoding Type: Learning Dot to add Transmitter.Learning dot to change Momentary Toggle Latched Momentary time delay off Normally Open Port (NO) Common Port (COM) Normally Close Port (NC) Input DC3.5V-DC12V Output 0V Switching Value use Relay NO COM NC Momentary----- and Hold---ON, Release----OFF Toggle------- one time ----ON. it again ----OFF Latched-------- A ----ON, B-----OFF Momentary 5s Time Delay OFF----- and Hold---ON, Release----5s laterOFF Momentary 10s Time Delay OFF----- and Hold---ON, Release----10s laterOFF Momentary 15s Time Delay OFF----- and Hold---ON, Release----15s laterOFF V- -------------------Input GND - V+ -------------------Input VCC + NC---------------------Normally Close COM------------------Common NO---------------------Normally Open Latched--------- the learning button for 3 Time, LED indicator ON, then the transmitter. LED indicator flash Momentary Toggle Latched adjusted by learning Button Material: PCB+plastic colour: black Package Contents: 1 x Receiver 1 x Remote(2 CR2016 button batteries not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.