Memory card: TF card / support up to 32GB (C10 recommended), Frame rate: 30 Frames, Optical frequency: 50Hz/60Hz can be selected, Audio output interface: 3.5mm AV jack, Menu language: 11 language choices, Battery (non-removable): Built-in 3.7V/400 mAh lithium ion polymer battery, Video input format: NTSC/PAL, Audio input interface: 3.5mm AV jack, System startup time: 3 seconds, Record file format: AVI, Video compression format: MJPEG, Charging current: 500mA Max, Weight: 24.5g, Charging interface: micro USB interface, Charging voltage: 5V DC, Record file resolution: VGA (640 * 480) / D1 (720 * 480) / HD (1280 * 720) selectable, Video playback: CVBS output (connected to the monitor), Video input impedance: 75? Typ., Dimension: 53mm * 33mm * 9mm, Recording sound: ON/OFF selectable, Item name: Mini FPV DVR, Operating humidity: 85% RH, Cycle recording time: 10min/20min/30min, Operating temperature: -10~60°C, Battery life: Each working load is 1.5 to 2 hours of working time..
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Updated: 02-08-2025
Banggood
Warehouse in China.
Link: Mini FPV DVR Module NTSC/PAL Video Audio Recorder
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Price history (for all/most countries) for Mini FPV DVR Module NTSC/PAL Video Audio Recorder is here. The lowest price was: $23.75.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).