Upgraded port short-circuit protection, real short-circuit protection, with built-in short-circuit trigger alarm sound Quick key to adjust the speed of the light strip. There are five gears (100%, 80%, 60%, 40%, 20%). The darker the red light, the slower the lighting speed. The brighter the red light, the faster the lighting speed. With its own memory function, it will be the same when the lights are turned on next time after setting Moderate size, does not take up space; aluminum alloy shell, more texture Product name:32 channel stair sensor Voltage:DC12V/DC24V Power:Maximum 480W Channel:32 (set to 1-32 steps) Sensors:2 PIR sensors Colour:Black Material:aluminum alloy Package Contents: 1 * host 2 * Sensor 2 * extension cable 5m 2 * Transformer head 1 * Screwdriver 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.