Whelen Pioneer Lifer Series LF28 Area Light Charger LifePo Battery:115VAC The replaceable light engine is

The replaceable light engine is accessed from the rear of the lens/reflector assembly

Height: 2-3/8"(60mm)

Certifications: Vibration Testing: MIL-STD 810G 514

Polarity Protection: Diode/Fuse

Whelen Pioneer Lifer Series LF28 Area Light Charger LifePo Battery:115VAC The replaceable light engine isThe Pioneer Lifer Series LF28 Area Light Charger from " Whelen Engineering" is available with a built in lithium iron phosphate or lead acid battery and has 2800 usable lumens. Features Impact resistant glass reinforced nylon housing in Black 100% solid state electronics. Hard coated lenses minimize environmental damages. The robust adjustable ratcheting mechanism allows for a 180 range of uninterrupted light Push button power switch and top handle