The moisture meter can quickly measure the moisture content of the grain. 1. 2. [Flexible Settings] The control parameters of the solar charging and discharge controller can be flexibly set to meet different application needs. 3. [LCD Screen] The solar panel charging controller has a large LCD display with support for graphical image LCD characters, which provides a clearer display and easy button operation. 4. [Easy to use] Solar voltage regulator Charger PWM with automatic temperature compensation, adjustable charging and discharging control parameters. 5. [Protection] Built-in solar controller charging and discharging accumulation of safety hours, reverse battery discharge, battery undervoltage, reverse battery connection, overload, short circuit protection. Specification: Item Type: Solar Controller Material: plastic; Product Size: Ok. 13,3 x 7 x 3 cm / 5,2 x 2,8 x 1,2 inches Colour black USB Output: 5 V/3 A (maximum) Output Method: USB Conversion rate: 98-99% Operating temperature: -35 ℃ 60 ℃ Weight: Ok. 150g/5,3 oz Scope of application: solar panels, etc. List of packages: 1 x Solar Controller 1 x User Manual Note: