Energy saving and safety, can maintain the working state of light controller in daily life, and effectively extend the service life of street lamp. Tapa de cortocircuito de fotocélula Twistlock, 1000W 1800VA 120-480V 0-480V Nema Shorting Twist Lock Photocell IP65/66/67 Short Circuit Cap... It can effectively protect LED lights and extend the service life of courtyard lights, street lights and other lamps. In case of abnormality of the optical controller (early lighting, too late closing, constant lighting and cycle "lighting and closing"), a short-circuit cap can be temporarily replaced and an external standby switch can be connected for control. Convenient and Quick Replacement: Easily replace the light control switch of intelligent street lamps without affecting normal nighttime lighting The performance is good, which can keep the circuit in a state of continuous safe power on, mainly used for circuit maintenance. Photocell Shorting Cap Twist Lock Photocell 120-277 Volt Street Light Bypass Cap Thanks for your understanding., 2., Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.