This is not a DSE901. The Vapor King 901, not like any other Electronic Cigarette, has a curved Atomizer to capture the heat allowing the atomizer to heat up our E juice to maximum Capacity. Dreams Vapor King 901's Cartridge have easy Pop off carts making it even easier to drip you favorite juice. Safety Cut off is 5 seconds, 8 Drags Min. before blinking, wait time is 4 seconds before start up again. Check it out at www.dreamecigs.com