Simple yet robust design 100m wireless transmission range Up to 2-year battery life The ESF.4 is a quad button, wireless keyfob that can operate all receivers in the EasySwitch range. It can operate in tandem with EasySwitch PIR detectors and wall-switch transmitters to create a robust switching system. The keyfob has a 100m line of sight wireless transmission range to the receiver and a battery life of up to 2 years. The ESF.4 keyfob is simple to set up and is supplied with a velcro square to adhere to a wall for quick access. You are also able to attach a lanyard to the keyfob aerial so that the unit may be worn around the neck. Technical Specifications Battery Type 1 x 23A Alkaline (fitted) Battery Life 2 years with normal use Wireless Transmission 433.92Mhz Transmission Range 100m + Temperature Range -10 °C to +40°C Enclosure Plastic Weight 100 grams Dimensions 75 x 45 x 19mm Downloads ESF.1 & 4 Instructions ESF.1 & 4 Datasheet
