C).FEATURES: 1.SLD-35 Amphibian Searchlight Φ Built-in rechargeable Lithium battery Φ It could change different diffusion filter lens Φ LED battery capacity indicator: red light: when it is flashing, the battery needs to be charged Φ Waterproof design:IP68 Φ Change portable direction freely. Φ Deep-water photography special use Φ Multi-function adapter 2.Diffusion filter Glass Φ It could widen the beam and add the lighting space Φ Including white diffusion filter Glass Φ Customer can buy red, yellow, blue and green diffusion filter lens as accessories. Packaging & Shipping Company Information Our Services Warranty:1 year FAQ Frequently Asked Questions: Malfunction indicator: red led flash : 1.blink once:Battery needs to be charged 2.blink twice:Battery Malfunction 3.blink thrice:HID ballast/bulb Malfunction 4.blink four times:input voltage too low(Malfunction) 5.blink five times:input voltage too high(Malfunction) 6.blink six times:AC/DC charger (Malfunction) LED battery capacity button: 2/red led flash blink :remains 20%power needs to be charged 4/red led flash blink:remains 40%power needs to be charged 6/green led flash blink :remains have 60% power 8/green led flash blink:remains have 80%power 10/green led flash blink:remains have 100%power