Kedida CT3030 Conductivity + Temp Meter Portable LCD Digital Water Testing Measurement Pen SNDWAY Note: This product is just

Note: This product is just a toy robot vacuum cleaner

5mm output

External memory expansion for iPad/iPhone/iPod touch

Material: ABS+Aluminum alloy

Kedida CT3030 Conductivity + Temp Meter Portable LCD Digital Water Testing Measurement Pen SNDWAY Note: This product is justCT6021A 1. Range: 0. 0 ~ 14. 0PH 2. Error: 0. 1PH CT6322 1. PH meter conductivity temperature 2. Data retention function 3. Automatic temperature compensation function CT8023 1. Measurement range: 0 ~ 2400ppb 2. Measurement accuracy: + 10ppb 3. Resolution: 2ppb 4. Temperature range: 0 to 50 degrees 5. Resolution: 0. 1 degrees 6. With automatic shutdown function 7. With data lock function 8. With waterproof function 9. Product battery: LR44 BAT*4 10.