Brennenstuhl RC Switch Sockets Set of 4, Set of 4 Radio-Controlled Sockets, For convenient switching on and off of electrical devices and lamps up to 1000 W indoors, Switching status display on receiver, Can also be manually operated, Range of up to 25 m under optimal conditions, Simple and flexible use due to self-learning coding, Permanent storage of the coding even in the case of longer power failures, Colour: White@+*Set contains:*@+@+, 4x Radio-controlled switch receivers, 1x Handheld transmitter, 1x Battery type CR2032 (3 V)