The Leica Rod Eye 120 Basic has 2 clear displays on the front and back of the receiver.  With 3 audio settings, off/low/high, up to 105 decibels for noisy jobs.  The versatile rod bracket ensures solid mounting to the grade rod (supplied).  The circular level vial aids to keep the grade rod plumb.  With a protective overmould that protects the receiver from drops in tough jobsite conditions.

Specification:

Working Diameter (Laser Dependent): 900m
Detection Window: 70mm
Detectable Spectrum: 600-800nm
Detectable Accuracies: Fine: ±1.0mm, Medium: ±2.0mm, Coarse: ±3.0mm
Audio Volumes: High/Low/Off
Automatic Shut Off: 10 Minutes
Arrow Display: 9 Channels
Protection Class: IP67
Battery Life: +50 Hours
Dimensions: 173 x 76 x 29mm
Operating Temperature: -20°C to +50°C