Compact, low-profile design with adjustable optics. Universal mounting plate with quick-connect feature. Snap-together construction speeds installation. Injection-molded, engineering-grade, 5VA flame retardant, high-impact resistant thermoplastic with high performance, chrome plated metalized reflector and plastic lens for optimal light distribution. Long-life, ultra bright white LED lamp heads, 1 watt (8 LEDs x 0.125 watt) per head. Dual-voltage 120/277 VAC operation. 3.6 volt, maintenance-free, rechargeable NiCd battery. Internal solid-state transfer switch automatically connects the internal battery to lamp heads for minimum 90-minute emergency illumination. Fully automatic solid-state, two-rate charger initiates battery charging to recharge a discharged battery in 24 hours. UL Listed for damp locations.