The moisture meter can quickly measure the moisture content of the grain. 1. HIGH ACCURACY CIRCUIT BOARD: High accuracy circuit board adopts excellent workmanship, ensure clear wiring, good current quality and longer service life 2. INDEPENDENT POWER SWITCH DESIGN: Independent power switch design ensures stable operation, reduces power consumption and extends machine life 3. QUIET FAN HEAT DISSIPATION: Quiet fan dissipates heat with fast heat dissipation, no heat and more peace of mind 4. REVERSE CONNECTION PROTECTION: 5V USB DC output, the output waveform is modified sine wave, and the fuse provides reverse connection protection, which is safe 5. MULTIPLE PROTECTION: come with surges (high voltage cut-off is a kind of protection against high voltage), overload, low voltage, overcurrent, short circuit and overheating protection Specification: Item Type: Car Inverter Product Material: Aluminum Alloy Continuous power: 1000 W Peak power: 5000 W USB Output: 5V DC Output waveform: Modified sine wave Reverse connection protection: fuse Protection: overvoltage (high voltage cut-off is a kind of protection against high voltage), overload, low voltage, overcurrent, short circuit, excessive temperature Input voltage DC 12 V DC 24 V High voltage protection DC 15 V 1 V DC 30 V 2 V Low voltage alarm DC 10,5 V 0,3 V DC 21 V 0,5 V Low voltage cut-off DC 10 V 0,3 V DC 20,3 V 0,5 V List of packages: 1 x Inverter 1 x Lighter 2 x Wire Clamp 1 x User Manual Note: Pay attention to electrical safety.