Features: When you reach the top or bottom of the stairs, the motion LED controller automatically turns on the lights and turns them off when people leave. Short press to set the number of stair light controllers, clicks the button until all lights are on, up to 32 stair lights can be controlled, long press to confirm again. Adjustable speed, with night light mode, running light mode, following mode, every two lights on mode, all lights on or off mode, etc. Equipped with anti short circuit function, the port is not burned out, and the short circuit area is properly treated for continued use. Equipped with antileakage system, DC12V-24V, Stable output, adjustable step count (up to 32 steps), mainly used for indoor LED stairwell lights, LED staircase lights, and stair step lights. Specifications: Material: ABS Controller size: about 18x8x2cm/7.09x3.15x0.79inch Cable length: about 5m/16.4ft Voltage: 12v/24V Power: 500W Control range: 32 steps Protection level: IP20 Package Includes: 1Pc Motherboard 1Pc Digital sticker 2Pcs Wire 1Pc Screwdriver 2Pcs Induction head 1Pc Red line 1Pc Blue line note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. This product is a low voltage 12v-24V and needs to be connecting to a converter. Do not directly connect to 220V to avoid burning out the controller. 3. Please operate the wiring of light connection when the power is off. After completing the operation, check that there are no problems with light fixture and wiring before turning on the power. If light fixture or wiring is not properly connecting, turning on the power may cause a short circuit and burn out the controller port. 4. This product is not waterproof and should not be immersed in water or used near sources of fire.