Spectra Precision Laser LL300N Automatic Level w/HL450 Receiver - Alkaline Batteries (LL300N) Schonstedt Instrument Co but a receiver is recommended

but a receiver is recommended for bright conditions

while the anti-vibration system ensures comfort during extended periods of operation by minimizing user fatigue

50m provides fast and easy way to measure distances

reducing the need for replacement

and stay visually cleaner than black and white blades

Spectra Precision Laser LL300N Automatic Level w/HL450 Receiver - Alkaline Batteries (LL300N) Schonstedt Instrument Co but a receiver is recommendedSpectra Precision Laser LL300N Automatic Self leveling Level w HL450 Receiver, Alkaline Batteries Model Number: LL300N Features: Available with a choice of system case (with receiver, tripod and choice of grade rod) or small carry case with receiver and clamp. Fully automatic self leveling provides fast and accurate setup The rechargeable battery pack or alkaline batteries keeps the unit working with no downtime due to power loss. Optional RC601