Leveling/Compensation Range: 4°±1°, Laser Class: Class 2 (IEC/EN60825-1/2007) <1mW power output, Working distance (line): horizontal line 33Ft (10m) / vertical line 16.5Ft (5m), Laser Wavelength: 635nm, Laser: Red Beams, Batteries: 2 AA batteries required. (not included), Handle Material: ABS+TPR Rubber, Protection level: IP54, Model: LV1, Leveling Accuracy: ±1/8 In. Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG11LV1, BGHTLV1, BGVDay10%off, 0e7f33, BGCLZY, FBCOUPON1, BGherra, 13f142, BGCuponation10, BG89e36a, BG068576, BGGines, BGTools8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – HANMATEK LV1 Laser Level Line [EU/CZ] ($-3)
Price history and price alert
Here is price history (for all/most countries) for HANMATEK LV1 Laser Level Line. The lowest price was: $19.99.
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)).