G.T. POWER Professional RC Tachometer RPM Reader for 2-9 Blades Propeller

G.T. POWER Professional RC Tachometer RPM Reader for 2-9 Blades Description: Brand name: G.T. Power Item name: Professional RC Tachometer Weight: 39g Dimension: 90x54x16mm Manufacturers ID: GTPRPM Working Way: photo electricity Max.Indication: 99999 Display: LED Blade: 2-9 Auto Turn Off: no signal for 1min Backlight Color: blue Battery: 220mah replaceable lithium battery Function: To measure RPM of a spinning propeller,2-9 blades ones,memorize peak RPM datas. Features: * Compact and extremely portable * 220 mah removable lithium button battery included * Sharp backlit LCD screen. Viewable even under poor light condition * Automatically shutoff when signals are not detected within one minute Package Included:1X G.T. Power Professional RC Tachometer RPM Reader