The Home Easy HE-303 allows you to control your HomeEasy Receiver sockets or modules via a wire free PIR sensor. When the PIR beam is broken the indoor PIR will switch on your Remote control sockets or modules for between 5 seconds to 10 minutes, Ideal for controlling house hold lighting. Compatible with all Home Easy products. • Dimensions - Standard Light Switch • Range 25M (Open field conditions). • Batteries - 2 x AAA Lithium coin cell battery, not included. • Indoor use only. • Frequency 433.92MHz. • Attaching the HE303 to a metallic surface will reduce the operating distance. • Switch compatible with all Home Easy product.