2.4GHz Wireless Optical Mouse - Long Lasting Battery Clearance or backup storage

or backup storage

Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch – Bag of 10 Pair – Brown Colour

Large field of view angle

Walk Test Mode

access control

2.4GHz Wireless Optical Mouse - Long Lasting Battery Clearance or backup storage2. 4GHz Wireless Optical Mouse, Battery Can Last for 12 Months with Multistage Energy saving Mode 2. 4GHz wireless bidirectional transmission technology Operating range up to 30 meters Optical sensor IR tracing the light source, strong ability to pass surfaces CPI switchable: 1,000 1,500 2,000 (CPI conversion indicator) (may vary) Multistage energy saving mode, low capacity indicator The battery can last for 12 months Size: approximately 102 x 63 x