Any diving product needs to endure a water leakage examine before being launched, which calls for 2-3 checks During the test, the product needs to be noticed Once any water leakage is found, the examine should be instantly stopped, and then the water should be wiped dry for drying Our lamp must have a small quantity of water ingress If you dry it, it can still be used If it is not treated for a protracted time, the lamp will be unable to be used Model: SL-18 Mode: White(Strong 1000lm/Low 500lm/ SOS 500lm); Red/Blue(1W) Color temperature:7500K Beam angle:>120 Depth rating:40m/130ft Baery: Builtin lithium battery(1100mAh) Size:48*48*47 Weight:100g Model: SL-19 Mode: White(Strong-2000lm/Low-600lm/ SOS-700/m); Red/Blue(1W) Color temperature:7500K Beam angle;>120 Depth rating:60m/195ft Battery: Bult-in lithium battery(1100mAh) Size:44*44*65 Weight:114g