very accurate with memory being sold in amazon for $80
https://www.amazon.com/AIRSOFT-SHOOTING-CHRONOGRAPH-XCortech-ACETECH/dp/B075V7VVJQ/ref=sr_1_1_sspa?ie=UTF8&qid=1535829331&sr=8-1-spons&keywords=ac6000&psc=1
$40 free shipping paypal only friend and family conus only.
https://www.amazon.com/AIRSOFT-SHOOTING-CHRONOGRAPH-XCortech-ACETECH/dp/B075V7VVJQ/ref=sr_1_1_sspa?ie=UTF8&qid=1535829331&sr=8-1-spons&keywords=ac6000&psc=1
$40 free shipping paypal only friend and family conus only.