Step Down Module DC 6.5V-40V to 5V USB + Voltmeter

Step Down Module DC 6.5V~40V to 5V USB + Voltmeter โมดูลแปลงไฟ Step Down DC 6.5V - 40V เป็น 5V DC USB กระแสสูงสุด 2A พร้อม แสดงผล Voltmeter มีปุ่มเปิด-ปิด output และ เปิด-ปิด การแสดงผล คุณสมบัติ Step Down Module DC 6.5V~40V to 5V USB + Voltmeter - Wide voltage range: DC4.5 ~ 40V - 5V / 2A output current capacity (input voltage in the 6.5 ~ 40V to stabilize the output 5.0V voltage) - One key ("output enable" button) switch USB output, a key ("low power" button) into the ultra-low power - Car voltage meter can be self-calibration, there will never be a voltmeter is not accurate! The - With reverse protection, reverse does not burn - With over-current, over-temperature protection - With USB power indicator - With terminals, easy access to the line - High efficiency, low ripple Module instructions Step Down Module 6.5V~40V to 5V USB + Voltmeter: When you need to give the phone, Ipad, MP3 and other digital products when charging, touch the "output enable" button, then USB power indicator light, USB output 5.0V voltage; When you need to close the digital tube, touch the "low power" button, then the module into the ultra-low power standby mode, USB output is also shut down accordingly. Module use Step Down Module 6.5V~40V to 5V USB + Voltmeter: - Ultra-wide input voltage for automotive / battery car / motorcycle use, used to monitor the battery voltage, grasp the battery state, can be used for a variety of voltage measurement purposes. - 5.0V, 2A output current capability, enough to meet a variety of USB devices, the voltage is very stable. - Note: This module default D + D- short connection, compatible with most of the mobile phone charging, and set aside a variety of mobile phone identification resistor installation location, if you need to add identification resistor, please connect D + D- wire cut, add Can be.