When ultraviolet dye is injected and circulated throughout the A/C system, refrigerant then seeps out at the point of a leak. With the high-power UV lamp, the leak will glow brightly and be spotted easily. Features: * Twelve LEDs produce hi-intensity true UV light * Ergonomic pistol grip * Momentary trigger switch * Includes battery charger and UV enhancing glasses * Works with any UV leak dye additive What"s In The Box: * Robinair 16345 Rechargeable Cordless True UV LED Light * Battery charger * UV enhancing glasses