1. 5"/129mm length, diameter .23" (6mm), 2. easy look and applied for in testing body temperature. thermometer with 5"/129mm length, diameter .23" (6mm),easy look and applied for in testing body temperature, which is also a waterproof thermometer. 1) length: 5" (130mm), diameter: .23" (6mm) 2) material: glass, liquid: kerosene 3) unit weight: 8g 4) packaging: each in plastic tube packaging.. ...