iFlight Defender 25 HD O3 Air Unit 4S BNF FPV Drone with Camera 4K Under 249g FPV RC Quadcopter（No additional receiver, I use DJI FPV Remote Controller 2）

【Ultralight & Free to Fly】At sub 249g weight, our Defender25 doesn’t require registration in most countries. The compact and lightweight design also makes it easy to carry and store. It is going to be your best shuttle buddy to redefine your FPV adventure.
【Small But Mighty】The built-in 2.5inch propeller guards were designed to fly bold. You’ll experience a complete new creative freedom to fly every time and wherever. The durable injection molded frame does not only prevent damage to your motors or propellers, but also protects the environment of small flight errors.
【4K Stabilized Video with 155°Ultra-Wide Angle】Equipped with the contemporary tech from DJI, the O3 Air Unit HD transmission system. The Defender25 supports 4K video and shoots up to 155°super-wide FOV footage for stunning visuals. As well as, D-Cinelike color mode provides more creative freedom for color grading, allowing you to edit and adjust your footage. (Source DJI)
【Crash Safe Quick-Release Battery】New innovative quick-release battery and charging adapter to make everything as easy as it may be. The Defender25 comes with a stock 4S 550mAh.
Inbuilt high-performance Video and Receiver antennas. Optimized Landing Gear for Take-off in Complex Environment. Secured XT30 Battery Plug with Anti-Spark Filter. Motors with direction arrows. Props with positioning column for simple installation.All ports and buttons are easy to get right of entry to. Mini camera mount (Naked GoPro, Insta360, and so forth.)