Feature: 1. It controls the temperature with an NTC sensor placed externally. 2. Indicator lamp is light when heating is on. 3. With manual switch and knob for easy operation. 4. Can fit into a standard single switch backbox. 5. Full installation and operation instruction included. Specification: The heating thermostat is manual switch and knob operation, acquire the room temperature with its floor sensor. Features: It controls the temperature with an NTC sensor placed externally. Indicator lamp is light when heating is on. With manual switch and knob for easy operation. Can fit into a standard single switch backbox. Full installation and operation instruction included. Specifications: Material: PC Color: White Voltage: 230VAC Power Consumption: 5W Temperature Control Range: 5~40℃ Temperature Limit Range: 25~55℃ Energy-saving Temperature: 5℃ Temperature Switch Deviation: ±0.5K Ambient Temperature: -5~50℃ Shell conservation: IP20 External Sensor: Lead length of 3.0m Item Size: 86 * 86mm / 3.39 * 3.39in Package Weight: 210g / 7.41ounces Package Size: 100 * 100 * 60mm / 3.94 * 3.94 * 2.36in Packing List: 1 * Manual Thermostat 1 * Sensor Cable 2 * Mounting Screws 1 * User Manual Package List: 1 * Manual Thermostat 1 * Sensor Cable 2 * Mounting Screws 1 * User Manual