When I was updating this page, then coupon price was $51.5 for TOOLTOP ET602 Wi-Fi USB 5 Channels Virtual Oscilloscope (in Banggood). Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Measurable Frequency Ranges: 0Hz-50kHz, Amplitude Adjustment Ranges: 10 mV/DIV to 1 V/DIV, , Wireless Communication: Wi-Fi 2.4G, Amplitude Error: ±2.5%, Operating Voltage: 5V Micro USB interface power supply, Time Domain Ranges: 100 uS/DIV-10800 S/DIV, Signal Input Interface Type: BNC Interface, Maximum Measurement Voltage: ±8 V / ±80 V at probe X10, Current Consumption: <170 mA, Input Impedance: 1 MΩ (<0.5V/DIV); 330kΩ (≥0.5V/DIV), Maximum Record and Save Data Time: 93 hours, Maximum Sampling Rate: 150kHz, Data Recording and Saving Depth: 8388608*5, Model: ET602 / ET601
Latest coupon and price update (UTC):
Banggood ($51.50)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it a low price? Actually this is the best price in history according to CouponsFromChina database!
Link: Banggood product page
Price: $51.5
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG20236Tool, BGTOOS729, BG8FORMULAMX
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
TOOLTOP 5 Channels WiFi 2.4G USB Synchronous Oscilloscope Sampling Rate 150kHz Automatic Amplitude Measure BNC Signal Data Input | $61.50 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for TOOLTOP ET602 Wi-Fi USB 5 Channels Virtual Oscilloscope is here.
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)).