A-Type Speifiations: olor: white Model: JK-A007 Size: 135*45*38mm Appliable objet: Industrial objet thermometer Measuring range: 1m-5m Temperature measurement range: 32℃-42.5℃ Display mode: digital sreen Battery type: D-3V 2 * AAA batteries Material: Plasti B-Type Speifiations: Measuring distane: 3~5m Measuring range: 32°~42.9° Produt size: 158*40*31mm Produt weight: 566g Sreen: LD olor:white TypeC Speifiations: Temperature measurement range: 32-43℃ Objet temperature range: 0-100℃ Measurement auray: 32-35.9℃ (89.6-96.6℉) ±0.2℃ (0.3℉) 36-39℃ (96.8-102.2℉) ±0.2℃ (0.3℉) 39-43℃ (102.2-109.4℉) ±0.3℃ (0.5℉) Ambient temperature: 5℃-40℃, 25℃ (the best) Relative humidity: ≤ 85% Atmospheri pressure: 70KPa-106KPa Ambient temperature: -20℃-+55℃ Relative humidity: 10%-85% Response time: 1s Automati shutdown: 10s Measuring distane: 1-15m, perfet 5m Power supply: 2 * AAA batteries (not inluded) Size: 15.5 * 8.5 * 4.3m D-Type Speifiations: olor: purple Measuring distane: 3-5m Measuring time: 0.5s Measuring range: Body temperature mode: 32 ℃ -42.9 ℃ Measuring auray: ± 0.2 ℃ (35 ℃ -42 ℃) ± 0.3 ℃ (32 ℃ -34.9 ℃) ± 0.3 ℃ (42.1 ℃ -42.9 ℃) Resolution: 0.1 ° Display unit: ℉ / ℃ Automati shutdown: ＜2min Data memory: 15 groups Power supply: D 3.0V 2 AAA batteries (not inluded) Normal working ondition: 10 ℃ -40 ℃ Storage temperature: -20 ℃ -55 ℃ Produt size: 146*85*42mm E-Type Speifiations: olor: purple Measuring distane: 1-5m Measuring time: ≤2S Measuring range: Body 32° -42.5° Surfae: 0° -93°(±0.1° ) Measuring auray: ±0.3°32.0° -34.9° ±0.2°35.0° -42.0° ±0.3°42.1° -42.5° Memory storage: 10 Resolution: 0.1 °/ ℉ Display unit: ℉ / ℃ Automati shutdown: 10s Power supply: D 3.0V 2 AAA batteries (not inluded) Operating temperature: 16° -35° Storage temperature: -20° -55° Produt size: 150*85*44mm Produt weight: 103g(without battery) olor box size: 160*90*45mm Total weight: 143g