The temperature controller features a user-friendly interface that allows you to easily adjust the target temperature. With its high accuracy and DIY features, it's perfect for a variety of applications. Made of fine quality materials for rugged construction and durability. Its features include data protections, LED indicators and easy restoration of factory default settings. In Addition, it can handle heating devices up to 100W. Specifications: Type: WHT-01, HTMC-1 (optional) Working voltage: AC110-220Volt Output: max. 100W Temperature range: 0-99.9 Accurate: 0.1 Install hole diameter: 3mm Temperature probe wire length: 1m Machine size: 70* 50 * 30mm / 2.8 * 2.0 * 1.2in Machine weight: 50g Package size: 155 * 105 * 60mm / 6.1 * 4.1 * 2.4in Package weight: WHT-01: 56g / 2.0ounce HTMC-1: 253g / 8.9ounce Packing List: WHT-01: 1 * Thermostat HTMC-1: 1 * Thermostat 8 * Wire Wrapping Post 1 * Heating Cable 18 * Screws 1 * User Manual