Enough to Use: the package comprises 4 automatic fly sprayer, this pack ensures that you have a spare dispenser at your disposal so that while one is in use, others can as a backup; Please avoid exposing the product to high temperatures or exposure to the sun, which may cause the battery to and damage the product.<br> Easy Controls: this automatic fly dispenser is simple and straightforward to operate, just place the you need, turn on the switch, select the interval, and you are ready to use.<br> Compatible with Multiple Refill: in addition as barn fly control, you can also use other perfumes, and most dosages of sprays are acceptable, providing more convenience for your .<br> How to Use: you need to prepare 2xAAA batteries (not included in the package), the metered fly offers a seamless setup process, they have been designed to deliver maximum efficiency, keeping long lasting effects.<br> Applicable Scenes: this country vet fly is suitable for summer barns, farms, stables, dairies, chicken coops and kennels, protecting your animals with a 15 minute interval setting, killing mosquitoes and small moths.<br> Color: White<br> Material: plastic<br> Size:19x8cm<br> Package Contents:<br> 4 x Automatic Air Freshener Dispenser<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.