How much does this cost to the nearest dollar?

LCD Digital Pitch Gauge RC Tool Part Illumination Display Accessories Suitable for TREX Helicopters(Black Modeling Accessory
Use Digital Pitch Gauge to adjust and check the pitch of the main rotor blades of the helicopter of the remote controlled helicopter. Use Digital Pitch Gauge to adjust and check the pitch of the main rotor blades of the helicopter of the remote controlled helicopter. Digital pitch measuring device offers simple, highly accurate and ultra-fast pitch angle measurement. No need to calculate, more usage scenarios. The measurement of the digital pitch meter is very quick and accurate. It is a very practical and beautiful accessory. The perfect blade and pitch alignment tool is an essential accessory for RC helicopters. Weight 0.704 ounces, Manufacturer recommended age 14 - 14 years, Rank Toys & Games Hobby Remote & App Controlled

Price is $22.00
Price: $22.09