Product category: LED Controller Control principle: WiFi APP software type: pro Requirements for mobile phone version: Android 4.0 or 9.0 or higher LED driver type: constant voltage: MOS tube Channel: 4 Input voltage: DC (5-28) V of application: constant voltage such as light strip panel Connection : common anode Protection grade: IP20 note that the appearance and color of products in different batches may be different, which will not affect the use color:As shown :plastic Package Contents: 1 x LED Controller 1 x Remote Control 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.