GNX™ KeypadControl a compatible GNX instrument display from a distance with this push-button keypad interface which can be fixed-mounted near the helm. It features 4 buttons dedicated to preset configurations. Plus, you can adjust the background lighting of all displays with the touch of a button.Specifications:Physical dimensions: 59 x 115 x 15 mm (2.32'' x 4.53'' x .59'')Weight: 95 g (3.4 oz)Water rating: IPX7Temperature range: From 5x to 158xF (from -15x to 70xC)Voltage range: 9-16 V (from NMEA 2000)Power consumption: 0.2 WMounting options: FlushNMEA 2000; certified: YesNMEA 0183 compatible: NoAuto-on: YesCompatible Devices:GNX™ 120GNX™ 130WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.