"Feature:\r\nSaving energy, long life, safe and reliable.\r\nUsing three-wire system, for resistance.\r\nControl of the lighting for time according to the illumination value of the environment automatically.\r\nThe internal environment with automatic illumination detection circuit, shut down during the day and open during the night automatically.\r\nSuitable for the LED lighting and outdoor monitoring, advertising gallery, garden lights and other automatic switching lights control.\r\n\r\nSpecification:\r\nModel: NK-BB/F50\r\nColor: Black\r\nVoltage range: 12V 24V 36V 48V\r\nSupply voltage: 8V to 50VDC (module normal operating voltage range)\r\nStandby current: 0.3ma (silent state)\r\nOutput power: high power. Load current 3.5A. The pressure drop is negligible.\r\nEnvironment temperature: 25 ~ 70\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Included:\r\n1x Photocell Switch":