Upgraded Version: The upgraded large display screen will provides you with clearer, quicker and more accurate reading in speedy manner. The updated sunlight sensor can receive much more sunlight coverage in the same period of time compare to others hence offers more precise data to you. 3 in 1 Functions in One Buy: Moisture/pH/Sunlight levels are the critical factors that determine the prosperity of plants, and now with this soil tester you are able to monitor these data in 2 minutes anytime & anywhere you want. Easy & Handy to use: This soil meter is designed rigorously by our engineers who expertize in soil test, and it is extremely easy to use, insert it into soil for about 2 mins and the result will come out. No battery is needed. Indoor & Outdoor Use: It can be used indoor and outdoor according to your needs. Reliable soil test tool that will help you take care of your plants, garden, backyard, farm and lawn. Kindly Reminder: This is a soil tester designed to test pH/Moisture/Sunlight level of soil, so it will not be able to function properly if it is used to test any liquid or artificial light.