The WX101W DC12V Temperature Controller features a precision probe (40C to 120C), an LED digital display, and a waterproof probe for accurate temperature measurement and automatic load control. Durable and user friendly: a waterproof sensor probe and an intuitive button interface on a compact module, enabling easy temperature parameter adjustments while maintaining stable performance in humid environments. Target users: ideal for aquarium enthusiasts, greenhouse operators, industrial technicians, and electronics hobbyists who require reliable thermal management. Seamless integration: designed to work with aquatic tanks, climatecontrolled storage units, industrial machinery, and home appliances to maintain temperature conditions. Typical use scenarios: Aquarium tanks: regulate water temperature to support stable habitat conditions. Greenhouse or climatecontrolled storage: maintain consistent ambient temperatures for plants and stored items. Industrial equipment and home appliances: manage temperature to protect components and ensure consistent operation.