Display Device Color 12" TFT-LCDBright 250Contrast ratio 300:1Screen life-span 50,000 hours(50.000H)Visual angle Horizontal , vertical visual angle 170Computer input Line 30~70k Hz Fidld 60~75HzM

Display Device Color 20" TFT-LCDBright 400cd per square meterContrast ratio 600:1Screen life-span 50,000 hours(50.000H)Visual angle Horizontal , vertical visual angle 170Computer input Line 30-70

Display Device Color 15" TFT-LCDBright 260cd/m²Contrast ratio 400:1Screen life-span 50,000 hours(50.000 hours)Visual angle Horizontal , vertical visual angle 150.Computer input Line 30~70k H

HL_M003(1)(2) Mag is:20x12MMHL_M003(3)(4) Mag is:10x18MMThe Size is:38x33.5x27CMVolume:360pcsN. W:18kgG. W:19kg

HL_M003(1)(2) Mag is:20x12MMHL_M003(3)(4) Mag is:10x18MMThe Size is:38x33.5x27CMVolume:360pcsN. W:18kgG. W:19kg

Magnifier Card (8.5X5.6)*With LED light(YELLOW)*Triple enlarging*Can print all kinds of trade marks and pattern, is suitable for promoting gifts*Duration using 48hours.Ourer packing: 1200pcs/ctnG. W:

HL_M021(2)A perfect pocket magnifier especially in areas that you may not have the light you need. The lens is 1.5 inches by 1.25 inches and is well lit by a bright white LED(requires 2 "AAA"

A :4x35 B:7x32 C ;2x32 D:8x30 E:5x42F:5x42The size 48x32x33cmThe vilume:40pcsThe weight:21/19kg

TV eyepiece and 360 °circumvolvewide-angle Eyepieces: WF10×Hugens Eyepiece: H16×Achromatic Lence: 4×10 X 40×(S)monolayer flatroof compounding budge ruler: 130 × 120mmCoar