Please check the size chart carefully before you buy the item

Product Name: Infrared DetectorFunction: Anti-theft and anti-intrusion detectionFeatures: Infrared scanning | Vibration sensor | Sound and light alarm | Compact and portable designColor: Black

Dual adjustable shoulder straps can be used as a backpack

gray bottom with green glue and black overprint

Brain Link Wearable Devices

Store Small Items like Needles, Thread, Toothpick, Cotton Swabs, Plastic Storage Box Other Accessories Please check the size chartProduct information: Weight: 62g Packing: carton Material: Plastic Specific material: PP material Function: dust proof Storage scene: on the desk, in the drawer Scope of application: wide Style: Creative Design: solid color Packing list: Plastic storage box*1