WITH TIMER (DC 5V/2A - POWER SUPPLY NOT INCLUDED) 1. Suitable for illumination supplement at all stages of plant growth.\r\n2. Simply set up with the attached clip and easily turn on / off switch along the power cord, very convenient and safe to use.\r\n3. Function: timing (3/6/9 hours), brightness and blue/red light adjusting\r\n4. 60 LEDs, DC 5V/2A power.\r\n5. Shell material: Stainless Steel