Product Name: Cheapest Generation Hot-Sale Wtb01 25X100 Non Coin Operated Binoculars Model NO.: WTB01 Aperture: 50-100mm Focusing Type: Center Focusing Objective Aperture: >50mm Lens: Glass Lens Type: Prime Lens Structure: Refractor Telescope Usage: Astronomical, Bird Watching/Hunting Function: Waterproof, Fogproof Magnification: >50X Type: Binocular Origin: Zhejaing Product Description Fixed on the top of high biulding or sightseeing spot to view the scenery.Water Proof, rain resistantMilitary quality, coming from the family of military binoculars for long distance observingManaged and controled totally by the computerManless operation saving man powerObserving time:1min-7min(one insertion of a coin) Longer time(continual insertion of coins)Dual purpose power supply of AC and DC is suitable for the scenery spot without AC power supplyAC power supply of 85V-265V is suitable for international standard of power supply voltageThe DC under voltage indication will remind you to recharge the DC power supplyThe coin quantity is counted by the computerThe azimuth angle is 315°, the elevtion angle is 90°, the stereo visual distance is 20 KmBrandNameWTB25×100Coin operation sightseeing binocularWTB40×100ModelMagnificationFiled of viewObjectiveDiameterEyepiece diopter rangeTime option(minute)880825°2.5°100mm0 Diopters+-5Diopters1-coinsaccumulated881040°1.5°100mm0 Diopters+-5Diopters1-coinsaccumulatedExit pupildiameterExit pupildistanceResolutionInterpupillarydistanceWeightVisualdistance4mm14mm<=2.4"58-72mm84kg30m-2.5mm8.2mm<=2.4"58-72mm84kg60m-