Working mode: Button switch, the first , flash quickly; the second time and flash at medium speed; for the third time and flash slowly; the fourth to close. Composition of the light board: The center of the light board is a button key, and around it are three light beads in red, green and blue. Built-in batteries :1 1220 button battery or 2 LR41 button batteries. Batteries are replaceable :(randomly dispatched) Working duration: The total duration of the fast flash light is approximately 48 hours, and the brightness gradually decrease for FLIP night , night light lamp, drone LED flashlight stand, searchlight accessory Product installation method: Paste Working hours: 48 hours Specifications: 2 pcs Color: As shown Material: plastic Package Contents: 1 * Lamp set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.