* General elevation control * Checking and setting elevations for smaller job sites * Levelling forms and footers * Estimating cut and fills * Ideal for decks, terraces, pools, septic systems * Basic slopes for driveways and ramps * Features: * Automatic self-levelling * Accuracy: 1/8 inch @ 100 ft (3 mm @ 30 m) * Working range of 1,150 ft (350 m) diameter * Simple one-button operation for quick start up * Height of instrument alert - unit stops rotating when jarred to Avoid erroneous readings * Single axis manual slope mode (with Optional RC601 Remote Control) * Rotor cage can be removed for precise 360 coverage * Complete kit available and fits in one case with tripod and grade rod * Extremely durable and portable * 3 Year limited warranty Includes: LL100N transmitter, HR320 receiver with C59 rod clamp in one portable hard shelled carrying case and multi language manual.