r Model no: RS-609rdata:rSupply voltage: 10V~15VrUltrasonic frequency: 40 KHZrOperation temperature: -40 to +80 CelsiusrDetection distance: 0.3 to 2mr4 ultrasonic sensors:rdiameter: 22mmrcable length of sensor: 2.5mrmaterial of sensor cable: copperr1 command module: rsize: 90*60*20mmr1 power supply: rcable length: 1mr1 hole saw bit:rdiameter: 22mmr1 Sticker(3M) and 1 user manualr1 color LED digital display: rdisplay size: to be confirmedrcable length of display: 6mrFeature:r◆Automatic activation when the reverse gear is engaged.r◆Digital indication on LED display shows the distance and positions of the obstacles in numbers.r◆LED display can be mounted at different placesr◆Traffic lights signal (green/ yellow/ red), more humanized designr◆Anti-false installation technologyr◆Distance can be advised in meters or feet.r◆Universal for all carsr◆3 stages warning by different beeping frenquency and voice warning is optional.r◆Wireless model is optionalrrrr"};