Limskey Power Brand New Lipo Battery 11.1V 2200 mAh 30C MAX 60C 3S T Plug for RC Car Airplane T-REX 450 Helicopter Part 2PCS/LOT wifi fpv and the sound is louder

and the sound is louder than the general buzzer

8  32bit ARM Flight Controller x 1

The Eachine E520S Drone and Spare Parts inside the case only for referrence

Dead Band Width: 4usec

5g ESC Features: - 4in1 ESC with 20x20mm mounting holes

Limskey Power Brand New Lipo Battery 11.1V 2200 mAh 30C MAX 60C 3S T Plug for RC Car Airplane T-REX 450 Helicopter Part 2PCS/LOT wifi fpv and the sound is louderDescrition 100% Brand New Capable of maximum continuous discharge rates up to 25C, burst rate 50C, placing this battery among the most powerful Li Po battery packs in its class! It offer an excellent blend of weight, power and performance. Available in a wide variety of capacities and voltages, there\\\'s a battery perfect for almost any application from indoor slow flyer to large scale sport and aerobatic airplane models, as well as micro to mid