Specifications include, but are not limited to: 1. AccuVein Vein Illuminator Model AV500 Size: 1.1 Compact Handheld, no larger than 2.5” x 3” x 8.5” 1.2 Weight: 12 oz. or under Components Included: 1.3 Charging Cradle (must be compatible with previous models) 1.4 Rechargeable Battery 1.5 Universal Power Supply 1.6 Adapters Running / Charging Requirements: 1.7 UL Listing 1.8 Cradle charging – Unit wirelessly charges in cradle 1.9 Charge time: Five hours or less 1.10 Unit will run for a minimum of three (3) hours before requiring a charge Viewing: 1.11 Real time viewing 1.12 Standard mode to illuminate large veins 1.13 Second mode to enhance the visibility of small veins Accuracy: 1.14 Permanently aligned; center line accuracy to the width of a hair.