Includes Micro Motion Alarm, Invisible Ink Pen, Micro Spy Light, Micro Listener, Utility Belt, Attachment clips Motion Alarm - Motion Sensor detects movement with invisible beam. Vibration Sensor detects any motion. Micro Listener - Hear far away sounds. Insert earbud and point the receiver in the direction of the conversation you want to amplify. Invisible Ink Pen - Write and decode invisible ink messages with UV light and secret revealer. Hidden compartment to hide top secret notes. Micro Spy Light - See in the dark, hands-free with the over-the-ear "Bluetooth" loop design with red LED light. Gear-up and become a world-class secret agent with SpyX Micro Gear Set for mobile missions! This set of 4 Micro Spy Gadgets + Utility Belt (and clips) will help you navigate through all the stealth operations: Surveillance, Communication, Security, and Defence. Kit includes: Motion Alarm, Invisible Ink Pen, Micro Listener, and Micro Spy Light! Collect all the real-working SpyX devices to outsmart enemy spies and say, "Mission Accomplished!"