Radio system controller for 1-5 channel operation (RGB+TW). Ceiling cut-out Installation depth mm, Length 170 mm, Width 59 mm, Weight 0,100 kg,, with max: 240 W, Delivery without bulb., Permissible ambient temperature (ta):, Protection class (EN 61140): III, Degree of protection (DIN EN 60529): IP20. For direct connection to mains voltage, Wireless technology control dimmable.