The Sonik Mosquito Swatter SMS 4503 BIG is highly effective. It is harmless to humans as it only stings when the finger comes in contact with it. However, it is fatal to mosquitoes and insects as it kills them instantly. This effective device is very cheap and affordable. Sonik Insect Swatter comes with high quality rechargeable batteries. It features a light which attracts insects and then burns them instantly. It also comes with a rechargeable and detachable torchlight • Brand: Sonik • Model: SMS-4503-BIG • Insect Swatter • Insect Control for Indoor / Outdoor • Portable & Effective • High Quality Rechargeable Batteries • Rechargeable & Detachable Torchlight Attached • Attractive Light Lures Insects to the Swatter • Cheap & Affordable.