Condition:NewType:Voltage RegulatorVoltage:9 V-36 V,when using 9 V supply,the current requirement is above 1ARelay interface:Use 250 V 10A relay,you can directly control most of the electrical devices on the market. Socket: when system is switched off.LED interface:there are three LED lights called D3 D6 D7 (D7 is close to the positioning hole,d6 is close to the antenna interface).LED indicator condition corresponds to the equipment working conditions are as follows,each column is a stateApplicationAgricultural land irrigationGreenhouseServer roomFeeding the petOxygen pumpRoller shuttercolour:blueMaterial:plasticSize:45mm*50mmPackage Contents:1* moduleOnly the above package content, other products are not included.Note: Light 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.