Specifications Type: 12 V Automotive Electric AC Compressor Compressor Style: 12V Semi-closed Horizontal Scroll Max. Applied Power: 1000W Refrigerant: R134a Max. Speed (460V Rating): 2100rpm Rated Voltage: 12VDC Speed Range: 1000 - 2100rpm Refrigeration Oil: POE Oil RL68H/130ml Max. Incoming Current: 63A Material: Aluminum Alloy Features Control External Design:?The air conditioner compressor separates the control panel from the main unit. LED Flashing Prompt:?The control panel adopts a brushless controller unit with LED flashing prompt and protected mode. LED flashing prompts are specially designed for faults. Multiple Protection:?Efficient work, the electric ac compressor will automatically stop working when encountering high pressure/under-voltage and then automatically restart after stable Widely Used:?A/C 12 volt electric compressor unit, suitable for AC air conditioning in automobiles, trucks, and buses. Led Blinking LED Blinking hint is special designs for the fault. during the using, some irreguar operate lead to some wrong like,Excessive current,Undervoltage,Locked rotor, Standby mode,over heated,over preasure. This Air conditioner compressor will turn to protection mode and hint by LED blinking. Blinking 1 times, pause 1 second: Standby mode. Fast blinking 2 times, pause 1 second: Excessive current, Over 50A. Fast blinking 3 times, pause 1 second: Locked rotor protection. Fast blinking 4 times, pause 1 second: Undervoltage protection. Fast blinking 6 times, pause 1 second: Electric fan fault. Fast blinking 7 times, pause 1 second: Motor lack of phase. Please check if the motor got burnt and connection is correct or not. Fast blinking 8 times, pause 1 second: Compressor over heated protection. Fast blinking 9 times, pause 1 second: Pressure switch protection. ? Professional installation is highly recommended. Please check the part number and illustrations carefully to ensure that it fits your model. If you are not sure, please contact us and we will respond as soon as possible.Package Incluedes 1x?Air Conditioning Compressor Kit (As Pics Shown)