Compact and Durable Available with STOP: PLd, Category 3 according to EN ISO 13849-1-2008 Available with up to four dual axis joysticks and up to six toggle switches Option for variable potentiometers Optional eight character LED display Powered by four AA batteries IP65 environmental rating 900MHz 10mW or 2.4GHz 2/100mW radio(s) Two way DSSS RF transmission Wireless association (pairing) Belt mountable Custom labeling options Optional tether back-up feature FCC, IC and CE approval(s)