Radio hand-held transmitter in an elegant design for controlling individual or a group of io drives or io receivers. - UP button to open the selected product or switch on the lighting - my button to stop the current movement or to call up the favorite position - DOWN button to close the selected product or switch off the lighting - Wireless / battery operated - Wall bracket for flexible installation Scope of delivery: Hand-held transmitter including wall bracket and batteries Operating voltage: 3 V (battery type CR2032) Operating temperature: 0 °C to 48 °C Ambient conditions: dry living spaces Protection class: IP 30 Radio frequency: 868.95 MHz Dimensions (W x H x D): 42 x 138 x 19 mm