Product: Flybarless Illustration 1:(Zero the gauge) Flybarless Illustration 2:(Measure the pitch) Illustration:(Zero the gauge) Package: Instructions: Specification: Introduction: Developed by the R&D team in Align, the new AP800 digital pitch gauge is suitable for flybar and flybarless helicopters. Auto-detecting Horizontal level , with result displayed through high contrast LCD screen, providing a simple and precise way of measuring pitch angle. Fatures: ●Auto-detecting Horizontal level. ●Uses backlighting LCD monitor. ●Zero and Lock function. ●Detectable pitch range: -90° ~ 90°. ●Automatic screen rotation. ●Suitable for 200~800mm main blades. ●Build-in energy saving function. Power shuts down after 3 mins without any movement. ●Body Dimension：108x53.9x16mm ●Suitable blade width：20mm~74mm ●Detectable pitch range: ±90° ●Resolution: 0.1° ●Battery: 2X CR 2032 Lithium ●Weight:38g (including battery)