G.T. POWER Professional RC Tachometer RPM Reader for 2-9 Blades Propeller 1616 -Data storage (Store up to

-Data storage (Store up to 5 packs in memory)

users can use it to power DC devices

Press the bind button on the receiver

This package can try to avoid product damage

The body is made of aluminum alloy

G.T. POWER Professional RC Tachometer RPM Reader for 2-9 Blades Propeller 1616 -Data storage (Store up toG. 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