Plastic material is lightweight and durable.
With LCD display to get scale easily.
It works by CR2032 button battery.
With 700-4500RPM range, it is practical to use.
Easy to install and dismantle.
A must-have accessory for model airplane player.
RPM range: 700-4500RPM
Rotary dial for RPM value adjustment
5 present RPM value
10 level aperture adjustment
Power supply: CR2032 button battery
Compatible with: helicopter / fixed-wing / airplane
Item dimension: 11 * 5 * 1.5cm
Item weight: 45g
Package size: 16.5 * 16 * 2.5cm / 6.5 * 6.3 * 1.1in
Package weight: 83g / 2.9oz
1 * Optical Tachometer RC Model