Shinwa Sokutei Green Holder 77399

Size: 150 x 67 x 34mm Weight: 190g (including) Light receiving distance: 1.5m~20m Light receiving accuracy: Within plus or minus 1.0mm from the center of the laser line Auto power off: Approximately 7 minutes after turning on the power Automatically turns the power off Consumation warning: Warning with flashing power LED Power source used: 1 9V dryer (the included one is for monitor use, so its lifespan may be short) Continuous use time: Approximately 20 hours Buzzer: red when turned on, green when turned off