Thermometer - Digital no Probe Model 302/303/303C Refill Factory calibrated: the com-80 meter

Factory calibrated:  the com-80 meter is calibrated with a 1413 µs solution

Kushie Kush is the bloom booster Kush lovers have been waiting for

conductivity probe cleaner

Ultra-long-life battery

Thermometer - Digital no Probe Model 302/303/303C Refill Factory calibrated: the com-80 meterThermo hygrometer. Max Min. separate display for humidity and temperature memory for the highest and lowest temperature and humidity designed to stand or to be hung battery included Specifications: Indoor temperature range: 20oC ~ +50oC Temperature resolution: 0. 1oC Temperature accuracy: + 1. 0oC Temperature measuring period: 10 sec. Humidity measure range 10% RH ~ 95% RH Humidity resolution: 1% Humidity accuracy: + 5% Humidity measuring period: 20