Safety - Passed stringent safety tests to ensure you and your devices' safety. Compatible with Asus VivoBook 17 M712DA M712D M712 Laptop. Only for amperage equal or less than 2.40A. Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement guarantee and a 360-Day-Quality-Guarantee by the Manufacturer. Output Max - 19V 2.37A 45W, compatible with 19V 1.75A 33W Input Volt Range - 100-240V Package - 1 X power adapter.