Features: Works with most types of UV leak detection dye. Pinpoint the origin of leaks of any kind with this auto air conditioner oil leak detector tool flashlight, even in bright environments. Help you inspect the leak stains in seconds! Impact resistant military grade aluminum weighing. Specifications: Material: metal, plastic Color: random Package includes: 1 x Leak detection flashlight 1 x Protective glasses 1 x Leak Detector 1 x R134a low side quick coupler 1 x R1234yf low side quick coupler 1 x R410 mini split adapter 1 x Valve core remover 2 x Oil checkers 1 X 2oz Measuring cup 1 x Box of 270pcs sealing o-ring(in 18 size) 1 x Box of 39pcs valve cores assorted (come with 1 valve core remove and install tool) Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Do not direct eyes or skin