With convenient clip on its back and wrist band， the Smart Sensor AR110A Ultrasonic Mosquito Repeller with Wrist Band goes wherever you are to provide hours of protection. It produces ultrasonic noise that is harmless to humans and animals to deter mosquitoes in a large area. And it has two modes; mode one simulates the wing beats of male mosquitoes to deter annoying female mosquitoes that bite while mode two simulates the wing beats of dragonfly. Compact and lightweight design won’t add extra burden. Isn’t it brilliant? Click and buy now!                                    Features            Offer a safe and simple way to rid you of annoying mosquitoesIdeal for outdoor uses like hunting， fishing， or campingProduce ultrasonic noise that is harmless to humans and animalsBuilt with two modes that fit different situationsMode one simulates the wing beats of male mosquitoes to deter annoying female mosquitoes that biteMode two simulates the wing beats of dragonflyNo chemicals， odor freeConvenient clip on its back easily attaches to the waist belt or pocketCome with a wrist band for more convenienceSleek design， lightweight                                                            Specifications            Model    AR111A    <br>Material    Plastic    <br>Color    Gray    <br>Power    Fante 3V Lithium Battery    <br>Dimensions    (2.28 x 1.46 x 0.67)" / (5.8 x 3.7 x 1.7)cm (L x W x H)    <br>Weight    0.60oz / 17g    <br>                                                            Package Includes            1 x UltraSonic Mosquito Repeller1 x Hanging Belt1 x 3V Lithium Battery                                                            Extra Info            How it works<br>When switched to Mosquito Position， it imitates the sound of a male mosquito， you will hear nothing while on this silent mode. And when switches to Dragonfly Position， it imitates the dragonfly sound. In this， mode you will hear a very slight sound.