Improve efficiency: MPPT intelligent charging/auto focus, intelligent control, support download APP Bluetooth remote control Universal system compatibility: Designed for 12V and 24V solar systems, with dual USB outputs, it is convenient to charge devices such as smartphones, tablets and PCs directly from your solar installation Powerful safety features: Built-in overcurrent, short circuit, reverse polarity, low voltage and overcharge protection functions ensure the safety of your solar system. This controller can not only improve system efficiency, but also extend the life of the battery Heat dissipation: Metal heat dissipation backplane, thickened heat dissipation backplane, improved heat dissipation performance, can operate normally in environments with high ambient temperatures Informative LCD display: Keep abreast of important system statistics and data through an easy-to-read LCD display. The user-friendly interface allows quick switching between modes and parameter configurations, making it suitable for a variety of residential, industrial and commercial applications Name: Bluetooth solar controller Display: LCD display Rated voltage: 12V/24V Standby current: Less than 10mA USB output: 5V/2A Max Working temperature: -10℃-+60℃ Colour:As Shown Material:Plastic + Aluminum Specification:30A Due to different product batches, the appearance may vary, which does not affect the use Package Contents: 1 * Solar Charge Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.