Meco 100pcs Reflector Sheet 20 X 20mm Reflective Tape Target Widely Used In Engineering

Specification : IR EDM(Infra-Red Mode) 20mm x 20mm 1.5m - 80m 1.5m - 130m 1.5m - 130m RL EDM(Long Distance Mode) 20mm x 20mm 1.5m - 320m 1.5m - 650m 1.5m - 650m Size: 20 x 20mm (1mm=0.0393Inches) Atmospheric Conditions: A: Dense fog, visibility 5 km, or strong sunlight, intense heat flashes B: Mist, visibility 20 km, or medium sun, slightly hot flashes C: Cloudy, foggy, visibility 40 km, no heat flashes Application: Tunnel engineering, subway engineering, bridge engineering, building construction, slope monitoring, ship survey, etc. Package includeds : 100 x 20*20mm Reflector Sheet Details pictures :