I attach a Hawkeye Firefly Micro 2 camera to the top of the Tello using Velcro or similar with good results. Available on eBay.
1. Weighs 31g.
2. Full charging time is about 2-3 hours, with a working time of about 60 minutes.
3. Waterproof.
4. 160° diagonal angle of view.
5. Micro 2 measures...