Intermatic EK4336S Wall Mount Electronic Photocontrol Are you installing light fixtures with extended life expectations? Intermatic's electronic photocontrols are designed to match the long life of new led lighting fixtures with a 10 to 20 year service life expectancy. This allows full realization of both the cost savings and benefits of maintenance-free lighting installations. The EK4336S wall mount electronic photocontrol by Intermatic has been designed, tested and warrantied for long life. It has improved on/off switching with high quality relays and employs electronic components exclusively selected to meet extended life targets. Products are tested to full on/off lifecycles under tungsten, magnetic and electronic ballast/left driver loads. Exceeds 10,000 ON/OFF switching cycles Fail ON mode. Ideal for single or multifixture HID and LED installations (up to 1,650 W @ 277 VAC. 255 J MOV surge protection element. 1?2"-14 NPSM threaded stem fits standard outlet boxes and wall packs. #18 AWG wire leads Features Non-drift silicon light sensor with IR filter DC relay with zero-crossing circuitry for extended life Conformal coated PCB Exceeds 10, 000 on/off switching cycles Ideal for single or multi-fixture HID and LED installations (up to 1650 W at 277 VAC) USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.