Features:
100% brand new ，high quality ，excellent after-sale service
The electrode has been used(laid) for long time from the last calibration
The electrode has been used in particularly taxing conditions
The utmost accuracy is required

Specification:
Batteries: 3 x 1.5V(AG-13 Button Battery，Not Included)
Life: approx. 700hours of use
Accuracy:±0.1pH(at200C/680F)
Dimensions:150mm x 29mm x 20mm
Net weight:123g
Original box: YES
Packaging size: 180*60*30mm
Package weight: 140g
Color: Yellow

Package Content:
1 x Pen Type pH Meter
1 x Screwdriver
1 x PH 4.00 substances (250ml)
1 x PH 6.86 substances (250ml)