PD 303
Binocular pupillary distance: 45-82 mm
left or right pupillary distance: 22.5-41 mm
Indication error: ≤ 0.5 mm
Distance of target: 30 cm ～ ∞
Electric Voltage: DC 3V (2pcs 5# AA battery)
Weight: 0.9 kg
Package Size: 28(L) x 20(W)x 10(H) cm