LA400 Agriculture Land Laser Level with Rechargeable Battery Pack 
LA524 Multi-Functional Auto-Leveling Rotating Laser
Functions:
Electronic Automatic self-leveling technology,long range,high accuracy,good stability.
Horizontal and vertical self-leveling
superior dust and water-resistance to withstand demanding construction environments.
Specifications
Level system: Electronic sensor fast leveling.
Accuracy: ±15"(0.75cm per 100m)
Self leveling range: ±5°
Operation rang: 900m(Dia.) with detector
Three head speeds: 100,300,600 R. P. M.
Four scan widths:10°; 45°; 90°; 180°
Bright, visible beam;Wavelength 635nm
IR Remote control;Available distance:20 m
Working temperature: -20ºC ~ +50ºC (-4°F~+122°F)
Power supply: DC 4. 8-6V(4xsub-C NI-MH batteries or 4x alkaline batteries)
Continiuance working time: Approx. 40hr.
Waterproof and dustproof: IP 55
Dimension: 170(L) X 220(W)X 230(H)mm
Weight: 3.8kg(Laser only)