Details OWL : TSE220-021The Intuition-cw Relay Unit Only can be paired with the Room Sensor or Tank Sensor to provide a wireless connection with a domestic boiler, replacing traditional wired connections. With wireless communication, users can place a Room Sensor in the location which best suits their heating requirement rather than in a hallway as is often the case. The Relay Unit can be pair with up to 4 sensors depending on heating design layout. The Relay Unit will switch on whenever it receives a signal from at least one paired OWL device.Key Features: Energy data is automatically and continuously collected and stored Clear summary information with trend indicators and analysis Print or download graphs Programmable 7-day options via web portal Intelligently self-adjusts to user requirements Technical Data: Operating Range : 50m Operating Frequency : 868MHz (Heating Controls) Operating Frequency : 433 and 868 MHz (Network OWL Gateway) Transmitter Battery Life : > 14 months Protection : IP30 Kit Includes: 1 x Relay Unit 1 x Back Plate 1 x Safety Wiring Cover 1 x Instruction Instructions