Police in the province said that law enforcement officers attacked the Taliban, who "destroyed the checkpoint and took away all the stored weapons".
The Taliban attack continued for over six hours. The officers were still in their beds when they were killed. But the militants attack government interests in the province from time to time.
Kandahar police said that Taliban ambushed security forces check posts in Zhari and Maiwand districts.
Taliban fighters have increasingly used night-vision goggles since at least August 2016, according to The Washington Post.
The Taliban have intensified attacks on security installations across the country in recent weeks in a show of strength as the United States deploys more troops to train and assist Afghan forces.
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The Taliban claimed responsibility for the attack, in addition to other attacks on Monday, according to multiple reports.
Hajji Abdul Rahman Aka, a village elder, said the insurgents had hidden in a graveyard and were monitoring the movement of the police using night-vision goggles.
Dozens of Afghan police and soldiers have been killed in a wave of Taliban attacks on checkpoints in Afghanistan, officials said Tuesday, as insurgents step up assaults on the beleaguered security forces.
A vehicle-borne improvised explosive device left four U.S. soldiers wounded in Afghanistan.