PS7555B-R LED Bulb Stick 1) Voltage: 3.0V 2) Size: D7.5* H55mm 3) Color: Red/ Yellow/ Blue/ Green/ White/ O range 4) Use battery: CR435 5) Waterproof Depth: 300m 6) Lighting Type: flash R/ Y/ B/ G/ W, double flash R& G/ R& B/ B& G, sevencolor flash 7) Light Life: 20-220 hours