This temperature controller kit with LCD display is extremely easy to use. Temperature measuring range between -55 to 120 degree with high accuracy. It will meet most temperature measuring and controlling needs. Specifications: Control Temp Range: -55-120 Power Requirement: DC/AC 12V Maximum current: 10A Maximum power: 2200W Resolution: 0.1 Measuring Input: NTC(10k 0.5%) waterproof sensor 0.5m Relay Output: 1 way Control Accuracy: 0.1 Hysteresis Accuracy: 0.1 Refresh Time: 0.5s Package size: 150 * 110 * 30mm / 5.91 * 4.33 * 1.18in Package weight: 75g / 2.65ounces Note: Please allow 0.5-1" differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Package List: 1 * Temperature Regulator Kit