The evo outdoor LED remote is a LED based remote which accepts dc Input from an ev emergency light with remote capacity(ev4 model). the evo is best utilized as an over the door path of egress light for emergency operation. The evo uses a single 3 watt rated LED per lamp-head and can be located up to 50' from the external power source. Lamp housing and mounting plate are made of durable die-cast aluminum. Input power requirements 4.8Vdc at 1 watt per head provided exclusively from an ev4d, ev4di emergency light or evc-d4 combo with remote capacity specific LED information lamp color: cool white TOTAL lamp output: 88 lumens per head system efficacy: 80 lumens per LED rated LED lamp life: greater than 100,000 hours warranty LED lifetime warranty evo full 3 year warranty. This product is manufactured in china.