UView Spotgun 414565A Extendye 64 Vehicle AC Leak Detection Kit NEW! Works with R-1234YF & R-134A Services up to 64 vehicles Includes: Phazer Rechargeable UV LED Light Spotgun_ injection gun. 8 oz Universal A/C ExtenDye_ with an enhanced additive package that boosts performance and increases the longevity of the A/C system UV enhancing glasses, service stickers in a rugged storage case