Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si LED display Best cost-effective Design Temperature measuring range: -30~300C Temperature controlling range: -30~300C Supply: 220V 15% Load capacity: less than equal 30A/220V Output: relay output : 220VAC10%,50/60HZ Input: 1 NTC sensor; Sensor wire: 2m(standard) Accuracy: 1C Resolution: 0.1C Consumption: less than equal 3W Ambient requirements: temperature: -10~60C; humidity: 20~85% (No condensate) colour:black Material:plastic Size: 75x34.5x85(mm) Package Contents: 1 * Temperature Controller 1 * 2m Temperature sensor 1 * Instruction Manual Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.