LED Emergency Light Adjustable Optics - Innovative Recessed Mount LED Emergency Light.LED Emergency Light Adjustable Optics features include: LED Emergency Light with Adjustable Optics Long Life Energy Saving LED Lamps -Adjustable Optics 4.8V Ni-Mh 1800 mAH Rechargeable Battery Injection-molded, High Impact, UV-Stabilized UL 94 V-0 Thermoplastic Housing illuminance: 1 to 2 FC within 1 Foot AC Power failure turns Light on for Minimum of 90 Minutes Mounts on Extra Deep 4” J-Box (Min 2-1/2” Depth) 120/277 V AC Test switch, LED status indicator light cULus 924 Listed 5 Year Warranty Order Qty of 1 = 1 Piece Spec Sheet Below is more info on our LED Emergency Light Adjustable Optics