Model: T1501 Material: Plastic Power Supply Mode: Removable Battery Instrument Classification: Class ll Resolution: 0.1 S Measuring Time: 0.5 S Memory: 32 sets of memory data Power Supply: 2 NO.7 alkaline batteries Measuring Distance: 3~5cm Net Weight: 67g Safety Standard: GB/T18830-2009 Quality Certification: FDA After-sale Service: Return and Replacement