Power Consumption 4W, Memory 1 GB RAM / 16GB Flash, Bluetooth 100 Meters, Operating System Android 4.4.4, WI-FI WIFI2.4Ghz, Operating Temperature -20 to 50°C (-4 to 126°F), Humidity ＜90%, Display 7 inch IPS 5-Point Multi-touch Screen with 1024×600P Resolution, Power Voltage 3.7V, Quantity 1 Set × Auto Key Programmer Diagnostic Scanner Tools, Input/ Output Microphone / Dual Speakers / 3.5 mm headset jack / Mini HDMI Port / 2.0 USB Port / TF Card Port, CPU Quad Core / 1.3GHz, Sensors Gravity Sensor / Light Sensor, Battery 2400mAh / 3.7V, Dimension (L×W×H): 208×140×15.5 mm, Product Name Auto Key Programmer Diagnostic Scanner Tools.
Price history, coupons and price alert are available on this page. What is 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.
Link: Banggood product page
1. ($442.76): BGAUTO22
2. ($479.22): 8wEbgaInS5
apply it 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): BG14330, BGHRepair2, BGS14329, BG10OFFAFF1, BGa9ab1e, BG6f6f80, BG43ad03, BGRepair63, BG219177, BGe2914c, MVC8SPRING, 8BGwbg2204
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for XTOOL X100 PAD OBD2 Diagnostic Car Scanner. The lowest price was: $359.99.
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)).