Product Information:The Wattstopper Vacancy Sensors are wall switch replacements for residential use. The switches are designed to comply with California Title 242005 residential energy code.This vacancy sensors use passive infrared (PIR) technology to detect when a space becomes vacant. The switch operates by sensing the difference between infrared energy from a human being in motion and the background space. The switches provide manualON operation for increased power savings. Features:#149; 2005 California Title 24 Compliant #149; Manual ON/Automatic OFF Operation; Lights Cannot be Overridden ON #149; Impact Resistant Lens#149; 30 Minute Time Delay#149; Integrated Energy Efficient Nightlight Illuminates whenever Overhead Lights are Off#149; Terminal Wiring for Quick and Easy Installation#149; Includes Color Matched Wallplate Specifications:#149; Voltage: 120 VAC, 60 Hz#149; Area of Coverage: 180 deg, maximum 300 sq. ft.#149; Dimensions: 2.63" x 1.69" x 1.88" (67.8mm x 42.9mm x 47.8mm) L x W x D#149; Operating conditions: 32131F (055C), 95 RH, noncondensing#149; Wattage: 0500W incandescent, fluorescent, compact fluorescent, MLV, and ELV#149; Time Delay: 30 minutes#149; Lens: 1.0 mm hard, poly IR 2 lens; 2 level lens for superior small movement detection#149; Feature: Amber LED Nightlight#149; Certifications: UL and cUL listed