Features: 5-speed reduction cycle Temperature control switch with timing function Compatible with 5V, 12V, and 7.4V heaters Designed for long-term temperature control 5V ~ 15V temperature controller Button control for simple operation Specifications: Product name: 5V~15V Temperature Controller Current: 2.5 A Connector: 5.5*2.1mm Weight: Approx. 46g Functions: Power adjustment via button control Output status indicated by RGB tricolor LED Power on: No output, no indication Press button once: 100% output, red light Press again: 80% output, green light Press again: 60% output, blue light Press again: 40% output, white light Press again: 20% output, yellow light Press again: No output, no indication Timing Function: Long press button for 3-5 seconds to enter timing mode (red light flashes) Default timer setting: 10 hours (600 minutes), indicated by flashing red light After entering timing mode: - Press button: Green light flashes (480 minutes) - Press again: Blue light flashes (360 minutes) - Press again: White light flashes (240 minutes) - Press again: Yellow light flashes (120 minutes) - Press again: Red light flashes (600 minutes) Package List: 1 x Temperature Control Switch