Harmony XB4R-XB5R offer wireless and batteryless interfaces for use in various building utilities and industrial applications. They are based on a transmitter and a receiver, which communicate at a 2.4 GHz radio transmission. System is Zigbee Greenpower certified using an accessory. This plastic moble box has 2 pushbuttons, a ZBRT1 transmitter and a set of push button caps. The unit is 6.10 inches tall, 2.05 inches wide and 2.46 inches deep. The unit weighs 0.44 lbs. The mobile box is UL Listed and CSA certified. "The mobile box is made of polycarbonate with plastic fixing collar and bezel. Its dimensions are 52mm (width) x 62.5mm (depth) x 155mm (height). It weighs 0.2kg." "It is ideal for automotive and logistic centers conveying systems, bottle filling, palletizer and wrapping machines. It is also suitable for lighting and door opening." "This product is certified by C-Tick, CSA, BT 2006/95/EC, EAC, UL and CCC. It meets EN/IEC 60947-5-1, CSA C22.2 No 14, EN/IEC 60947-1 and UL 508 standards." "The handy box kit includes 1x set of caps, 1x handy box, 2x transmitter, 2x 22mm pushbutton head and 2x fixing collars." "Complete freedom to place or move the wireless pushbutton anywhere. Battery less devices for no maintenance, no recharge and no recycling." "Harmony universal wireless batteryless devices are compatible with the 22mm Harmony XB4-XB5 actuators."