Features: 1The optical control switch module is a new type of photoelectric switch designed and manufactured according to the photoelectric conversion characteristics of semiconductor devices. 2At dusk and dawn street lights can be turned on and off automatically according to changes in natural light which is automatically controlled and energysaving. 3The internal control is controlled by a relay which is compatible with loads of various resistance inductance and capacitor lights. 4It can be loaded with electrical equipment such as LED lamps energysaving lamps fluorescent lamps incandescent lamps and exhaust fan lamps. 5Generally installed in lamps or boxes it has novel design reliable installation small size light weight convenient installation and long service life. 6It is mainly composed of sealed CDs photoresist and integrated circuits. High sensitivity more convenient to use. Specification: Condition: 100% Brand NewItem Type: Light ControlMaterial: PlasticColor: As shown in the pictureSize: Approx. 7.5x6.2x6.2cm / 3.0x2.4x2.4in Weight: Approx.125g/4.4ozRated Current: 10A adjustable light sensation Package List: 1 x Light Control2 x Screw2 x Expansion Screw1 x Iron Alloy Accessory Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.