$18.99 – NEO Tuya Zigbee 24G MmWave Radar Smart Human Presence Sensor (Banggood, Aliexpress: NEO Tuya Zigbe 24G MmWave Radar Smart Human Presence Sensor with Illumination Detector Support Wired Light Switch 95~250V – Side Wall (the best price with coupon)).
You can get NEO Tuya Zigbee 24G MmWave Radar Smart Human Presence Sensor for $18.99 with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood ($18.99)
Banggood warehouse is located in China. Isn’t it too expensive? This price is great, coz it’s the lowest in CouponsFromChina database! Only one coupon available!
Link: Banggood product page
Price without coupon: $23.99
1. ($18.99): NewYear113
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
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.
Price history and price alert
Here is price history (for all/most countries) for NEO Tuya Zigbee 24G MmWave Radar Smart Human Presence Sensor. The lowest price was: $18.99.
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)).