For Apple Macbook Shoulder / Handheld / Messenger Computer Bag, Size: Medium(Navy) Filter-Host Bracket Single beam active intruder infrared

Single beam active intruder infrared detector with buit-in AGC control circuit

signal coverage area of 130 square meters can pass through three walls

One Package Size 13cm * 13cm * 8cm / 5

General Compatible with FUJIFILM:  instax Mini 7+

For Apple Macbook Shoulder / Handheld / Messenger Computer Bag, Size: Medium(Navy) Filter-Host Bracket Single beam active intruder infrared1. Soft luster, anti wrinkle and shape retention, waterproof for life, wear resistant and dirt resistant 2. Large capacity storage space, multi compartment design, can hold chargers, wallets, water bottles, laptops, etc. 3. Computer compartment: 3D airbag shockproof, effectively reducing friction in life 4. Slip pocket x 2: can place small items such as mouse and wallet 5. The main compartment: can hold books, water bottles, clothing, etc. 6. Double