Green laser beam detector signals beam detection with built-in speaker and LEDs. Works with YT-30417 and YT-30419 lasers.

• working range: 1-70 m*
• control LEDs and speaker
• working temperature range: -10 ~ +40˚C
• battery power: 1 x 9 V, 6LF22
• dimensions: 150 x 55 x 26 mm
• weight: 0.1 kg
• level holder included

^{* range depends on the laser power and insolation inside the room.}