Groz Multi Use Rule & Gauge, 100mm US423028S 8MHzTo learn new remotes to TLA590 8MHzTo learn new remotes to M8 & M824 models:Turn the ignition key to the ON positionPress and release the valet programming switch 3 times (Siren Chirps)Press the Lock Button of each transmitter you want programmed until you hear a chirp from the siren molds and badges etc Wedge ends suitable for striking with a mallet when extra force is required Includes one version with ergonomic non slip handle Manufactured from heavy duty composite plastic minimising damage to paint work and panel Overall length: 290mm & 165mm Width: 72mm A Protractor for measuring and laying out angles A Circle Divider for dividing circles into sectors polygons and polygrams (up to nine equal parts)