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Fanttik Innovation Direct via Amazon [amazon.com] has Fanttik D2 Pocket Self-Leveling Cross Line Green Laser Level for $27.98 when you apply promo code EP7ZLY2C at checkout. Shipping is free w/ Prime or on $35+.

Product Description from Amazon:[list][*]Rechargeable Battery and 10-Hour Runtime: With its integrated 2200 mAh rechargeable battery, the Fanttik D2 laser level can work continuously for up to 10 hours on a single charge. The high-capacity battery can be recharged more than 500 times, which is very practical