Gardeners can conveniently test their moisture, light, and pH levels with the handy 3-Way Meter. 
 Moisture readings register on a scale of 0 (dry) to 10 (moist)
Light readings range from 0 (low light) to 2000 (very strong light), 
and pH readings range between pH 0 (acidic) and pH 10 (basic). 

Durable, easy-to-read tester is suitable for indoor or outdoor and needs no batteries to operate.