Features: Adopts PTC heater to keep the temperature stable so the machine can work effectively. Lightweight and compact size, easy to carry anywhere and anytime. Widely used in houses, offices, restaurants, camping and traveling etc. With LED light, convenient to use at night. Build-in large capacity 3500mA Li-battery, no need to charge for long time. Perfect electric mosquito killer, no smoke or flame, effectively kills the insect in a non-toxic and Eco-friendly way. Instruction: Insert the electric mosquito-repellent tablet(Not included) into the heater of the machine. Long press the switch button for five seconds. The indicator light is on and the machine is working. When the color of the mosquito-repellent tablet fades, please turn off the machine and replace the tablet. Short press the switch button to switch the three working modes in turn: Mosquito killer mode / LED light mode / Mosquito killer mode + LED light mode Long press the switch button for about five seconds to turn off the machine. Specification: Main material: PC Color: Blue PTC Temperature: 100LED power: 100WWorking hour : 8h(Fully charged)Charging hour: 4h (5V/2A)Build-in Battery: Li-polymer battery 3.7V 3500mAWorking mode:Mosquito killer mode(The indicator light is on) / LED light mode(The battery indicator light is off) / Mosquito killer mode + LED light mode (The battery indicator light is on) Size: Approx. 8.3*5*2.4cm / 3.27*1.97*0.94 inch Package list: 1 * Electric Mosquito Killer 1 * USB cable 1 * Lanyard