Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Remote control, no distance limit Wide range power supply 9~12VDC 8 relay outputs (10A/30VDC, 10A/250VAC) Dial code to control the first relay, SMS control 8 relays Temperature/humidity control (up to 8 groups) DC Power supply: Standard adapter DC12V/500mA Range 9-12VDC Power consumption: Standby 12V/50mA, working Max 12V/200ma GSM Frequency: 850/900/1800/1900Mhz SIM interface: supporting 3V Mini SIM card External antenna: SMA Antenna interface, 50 Ohm, Gain 3dB Keyboard interfaces: Support extended keyboard key control Sensor interfaces: 1 Temperature and humidity sensor interface Humidity detection range: 0 to100% Temperature detection range: -40 to +110 degree Relay outputs: channel. 10A/30VDC 10A/250VAC Output logic: normal open and normally closed Colour:Silver Material:metal Size: 159x60x33mm Voltage: DC9-12V Package Contents: 1 x CL8-GSM smart switch 1 adapter 1 x Antenna 1 x English manual 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.