Features: The controller is for controlling the hot runner coil heater. This is an aromatherapy device, It is not a tobacco product. The Electric Controller Nail Box Kit includes a PID temperature controller, heating coil , Quartz Nail and carb cap. The PID controller is for controlling the hot runner coil heater. The controller will heat from room temperature to 710 Degree Fahrenheit within 3-4 minutes. Specification: Color: As the picture shown Titanium Nail Material: Titanium Alloy Titanium Nail Diameter: 20 mm/16mm Heating Coil Cable Length: 1.3 Meter Coil Inner Diameter: 20 mm/16mm Power Cord Length: 1.5 Meter Storage Case Size(L*W*H): 220 x 157 x 65 mm Intelligent PID Temperature Controller: Power Supply: AC/DC 85~260V（50Hz/60Hz） Contact Capacity: AC 250V/3A SSR-level: 8V（Open-circuit Voltage） 30mA（Short-circuit Current） Temperature Precision: 0.2%FS Environment: 0~+50 degree Celsius,≤85%RH Size(L x W x H): 128 x 85 x37 mm