a protection using 3 d printing materials, the overall frame good resonance light intensity is small, suitable for indoor flying
Recommended configuration (NOT included):
Fly tower size :20mm*20mm / 16mm*16mm /15mm*15mm
The battery :2S 50C 450mah/550mah
Electrically controlled :10 a four unity
The motor :1102/1103/1104
The propeller :Three-blade paddle/four-blade paddle/five-blade paddle, maximum support of 2-inch 50mm
(The motor is recommended to use 1102, 1103 with 1.9 inch three blades; 1104 KV7500 with 2-inch four-leaf paddle or five-blade paddle)

Specifications:

Happymodel 90mm Toad 88 Racing Quadcopter Frame Kit – Blue

Wheelbase :90mm
Weight: 24g

Includes/Requires:

Includes:
1x frame kit