Air-Dropping System Thrower & With Landing Gear Wedding for Mini 4 Pro Drone Feature: 1.Suitable for Mini 4 Pro drone. 2.Can be remotely dispatched for advertising, throwing bait, throwing gifts, delivering food, delivering wedding rings, etc,. 3.USB charging, quick release, one button control by remote controller. 4.Lightweight and safe, neither increase the burden of the drone nor damage the drone, easy to install and disassemble. 5.Landing gear effective fuselage heightened by 14mm, effectively prevent ground debris from contaminating the fuselage or damaging the gimbal and fuselage during take-off and landing. Note: The "red light is always on" during charging, the "green light is always on" when fully charged, the parabola will flash a few red lights when it is opened for normal use, and then the "red light is always on"; Specifications: Maximum load weight: 100g, Built-in battery capacity 150mAh, Charging interface: Micro-USB, Charging time: 90 minutes, Charge once to open about 300 times, Material: ABS Applicable models: for Mini 4 Pro Color: Dark grey Net weight:2.67oz.(76.5g) Package weight:4.39oz.(125.7g) Product size: 3.5*2.44*1.41in(8.9*6.2*3.6cm).(airdrop System), 2.75*0.9*0.7in(7*2.3*1.8cm).(front landing gear), 2*1.81*0.98in(5.1*4.6*2.5cm)..(rear landing gear) Package size:4.33*3.81*2.36in(11*9.7*6cm) Package Includes: 1 Pcs*Airdrop System 1 Set*Landing gear 1 Pcs*USB charging cable Note: 1.Does not include the Drones, 2.Transition: 1cm=10mm=0.39inch, 3.Since the size and weight are manually measured, due to different measurement methods, there may be a certain error between the weight and size of the product, but this error does not affect the normal use of the product, please confirm that you know and accept the error before purchasing,, 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering, Thank you! 5. Make sure you have enough power before using.