Power supply: 500mAh Li-ion battery 0utput: 5V 2A DC CPU: MTK6735 OR MT8382 Extended storage: supports memory cards 16GB – 64GB, class 10 and above Mobile network: 3G netcom WiFi: 802.11 a/b/g/n FM transmitter: 88 – 108MHz Satellite positioning: GPS / Beidou / GLONASS three mode Operating temperature: -30 – 70 Deg.C Storage temperature: -35 – 85 Deg.C.
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
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.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($190.11): BANGGOODSD
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, e2bcea, BgAuMotor, b71c67, bgaumotor, BGAutos, BGAFF10OFF, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, 7bcdf9, BgcLuBofErtA10, BGCuponation10, BGHONEY2110
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Junsun A930 Rearview Dash Cam. The lowest price was: $120.51.
Price records source(s): Gearbest, 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)).