Specifications:
Product Name – SpeedyBee F405 V4 BLS 55A 30×30 Stack
Flight Controller – SpeedyBee F405 V4 Flight Controller
ESC – SpeedyBee BLS 55A 4-in-1 ESC
Bluetooth – Supported. For FC & ESC parameter settings
Wireless FC Firmware Flashing – NOT Supported
Power Input – 3-6S LiPo
Mounting – 30.5 x 30.5mm（4mm hole size ）
Dimension – 45.6mm(L) x 44mm(W) x 18.3mm(H)
Weight – 34g

Package includes:
1 x SpeedyBee F405 V4 Flight Controller
1 x SpeedyBee BLS 55A 4-in-1 ESC
1 x 35V 1000uF Low ESR Capacitor
5 x M3 Nylon Nut
5 x M3 silicone O Ring
1 x M3*8mm Silicone Grommets(for FC)
1 x M3*8.1mm Silicone Grommets(for ESC)
1 x SH 1.0mm 25mm-length 8pin Cable(for FC-ESC connection)
1 x SH 1.0mm 75mm-length 8pin Cable
5 x M3*30mm Iner-hexagon Screws
1 x DJI 6pin Cable(80mm)
1 x XT60 Power Cable(70mm)