4pcs High Accuracy ±0.1pH 0.6" LCD Mini Digital Pen Style pH Meter Aquarium Pool Water Digital Tester Set All the data the bracelet

All the data the bracelet recorded can be shared among Wechat

Increase humidity of air

1 x Vandy Vape KYLIN RTA

1 X Telephone Line

Steps for usage:

4pcs High Accuracy ±0.1pH 0.6" LCD Mini Digital Pen Style pH Meter Aquarium Pool Water Digital Tester Set All the data the braceletProduct Features: Digital pen style pH meter: Used to measure the pH (acidity or alkalinity) of a liquid, very accurate and durable Wide applications: Widely used at home, in industrial productions, aquaculture, aquarium, swimming pool, fishery, laboratory, food processing, purified water processing, school teaching, food & beverage etc. Product Specifications: Type: pH Meter Function: Measuring Material: ABS Color: Assorted Color Powered By: 3 x 1.