iTEKIRO Auto Adapter for Alienware M11x R2 AM14X-6667BK AM17XR3-6842BK AM18X-8636BK; Dell XPS 13 M1340, 14 L421X, 15 L501X / L502X / L521X, 15z Vostro 1440 1540 2420 2420 2520 3360 3460 3555 3560 V131 iTEKIRO Auto Adapter for Dell Vostro 1440, 1540, 2420, 2420, 2520, 3360, 3460, 3555, 3560, V131; Dell XPS 13 M1340, XPS 14 L421X, XPS 15 L501X, XPS 15 L502X, XPS 15 L521X; Dell Alienware M11x, M11x R2, M11x, AM14X-6667BK, AM17XR3-6842BK, AM18X-8636BK The right angle DC connector (elbow tip) is better than straight tip to protect your laptop power jack and the adapter itself from damage Protection from short circuit and over temperature; Consuming less power and smart LED power indicator Compact and lightweight; long power cord makes you reach more space with easiness Bonus: Complimentary iTEKIRO 10-in-1 USB Charging Cable ($5 value) included, which can be used to charge most smartphones, cell phones, E-book readers, MP3, MP4, GPS, and digital cameras in the market