1) EI power transformer:a) Used for remote control of air-conditionerb) It uses connection in input and output for convenient connect2) The cores are lapped by high quality silicone steel sheet and have been treatedby insulation 3) Clean appearance and convenient installation

Key SpecificationsNumber: BW0402031Contents: universal AC 120W adapterDesign to power popular brands of notebook computer from homeStable and clean output, low ripple and low interferenceIncluding 8 connectors for user to change voltage easilyDifferent voltage suitable for the most laptops/notebook computersNew changeable connector design ensures polarity fool proof High efficiency and low energy consumptionPower LED indicatorInput: 100-240V AC, 50/60HzOutput: 12-24V DC+2pcs USB 5.2V portThis universal AC power adapter comes with 8 separate tips to fit almost any laptop (any mobile phone, PDA, MP3, MP4, and game)Specification:Rated input voltage: 120-230V AC (50-60Hz)Vibration input voltage range: 100-260V AC (47-63Hz)Input power: 120VAOutput power: 120WEfficiency: >80% (typical)Output voltage no load: 15V/16V/18V/19V/20V/22V/24V DC (0/+0.8V) or 12/15/16/18/19/20/24V DC (0/+0.8V)Output voltage and rating load: 15/16/18/19/20/22/24V DC (-0.9/+0.8V) or 12/15/16/18/19/20/24V DC (-0.9/+0.8V)Output current: 12/15/16/18/19/20V at 6.0A, 22/24V at 5.0AOutput USB port voltage: 5.2 0.2V x 1pcOutput USB limited current: 1.0A maximumOverload protection: yesOver voltage protection: yesShort circuit protection: yesRipple noise: 1,000mVLine regulation: 5%Load regulation: 5%Operating temperature: 0-40?Operating humidity: 20-80%Storage temperature:- 10-70?Storage humidity: 10-90%CE FCC, RoHS listed