ultrasonic range finder ar851
post date: dec 15,2021 expiry date: dec 15,2022 detailed description: general features & specifications measuring range 0.5～60m 20inch~197feet accuracy ±1% measure in imperial/metric √ operation condition 0~40℃ 30~70%rh laser pointer aiming selection √ low battery indication √ computer area and volume √ sum of length auto/manual shut-off √ lcd backlight √ response time 2s measuring…
