Holy Stone HS900 249g 3axis 4K Drone Flight Test Review

This lightweight little drone includes a 3 axis gimbal, 4K camera, 4.5 Km (3 miles) range, and does not require registration in most countries. Find it here and use discount code NKB23O2W (exp 5/27/2024) https://amzn.to/44ucPsd . Also remember to select the Amazon coupon code box if available. Spare battery here https://amzn.to/4dxFocA

Pros
- Small folding drone for maximum portability.
- Weighs only 249 grams with battery. Does not require registration in most countries.
- Video signal is strong and clear, with minimal lag. It's very easy to fly this drone FPV with your phone.
- Highly accurate GPS/GLONASS system, provides rapid/accurate satellite lock-on. Drone will automatically return and land where it took off from on command, or loss of signal, or low battery.
- Optical flow system as backup hover system, or for quick takeoff use without GPS.
- Belly Time of Flight (ToF) sensors for very stable height hovering near ground.
- Brushless motors for durability.
- 7.7V 2250mah Li Ion battery provides up to 30 minutes of flight time (I got 21 1/2 minutes).
- Three axis stabilized gimbal provides very stable video.
- 1/2.3" Sony CMOS sensor camera takes true 4K video with resolution of 3840 x 2160 pixels at 30 fps. Can also take 1080p video at 60fps. Also takes 48MP still photos at 8192x4608, or 3840x2160 pixels resolution
- High resolution video and photos are recorded to an onboard TF card.
- Controller does not utilize WiFi. Connection to your phone is through provided on the go (OTG) cables. The controller includes a built-in signal amplifier/relay that provides up to 4.5 Km control and FPV range. But remember that most countries do not allow you to fly at such ranges. In reality, this feature is meant to provide for strong control and FPV signals in areas of high clutter or interference.
- "HS Sirius" app provides FPV views, telemetry information, camera options control, and optical quick shot modes of orbit, rocket, and two different modes of optical follow me. HS Sirius app is available on Google Play here https://bit.ly/HS-Sirius and the Apple App Store here https://bit.ly/4doGlnm

Cons
- Drone does not have GPS waypoints flight capability.
- Optical modes can break visual lock on the desired subject. Make sure to double check that the subject is actually being tracked in the "green box" before activating Quick Shot modes.

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