I have checked all old coupons and price is 7.99 USD for Geekcreit XR2206 Function Signal Generator DIY Kit 1Hz-1MHz (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
Latest coupon code price check (UTC time):
Banggood (7.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it a low price? Pretty good price – average (8.63 USD) is higher than current one!
Link: Banggood product page
Price: 7.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG589b2e
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for Geekcreit XR2206 Function Signal Generator DIY Kit 1Hz-1MHz on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Geekcreit XR2206 Function Signal Generator DIY Kit 1Hz-1MHz? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).