Lightweight and Portable: Compact and easy to carry, this key anti-loss device is your perfect everyday companion, ensuring you never misplace your essentials again. Whistle Remote Control: With a unique whistle remote control feature, simply whistle or yell within 7 meters to activate the device, making it flash and guiding you to your lost items effortlessly. Durable ABS Construction: Crafted from high-quality ABS material, this key finder is built to last. Its sturdy and waterproof design ensures reliable performance in various environments. Versatile Applications: Ideal for safeguarding keys, wallets, cars, pets, children, bags, suitcases, and more, this versatile device offers peace of mind by keeping your valuables secure at all times. Time-Saving Solution: Say goodbye to the frustration of searching for misplaced keys. This innovative key anti-loss device acts as your trusty key helper, responding to a simple whistle with a distinctive DIDI DIDI sound for quick retrieval. Description: Introducing the key anti-loss device, a lightweight and portable solution to your key-finding woes. With its whistle remote control design, simply whistle or yell within 7 meters to activate the flashing feature, making locating your keys a breeze. Crafted from high-quality ABS material, this device is durable and waterproof, ensuring long-lasting use. Say goodbye to the frustration of searching for misplaced keys with this innovative key finder. Hang it with your keys and trigger a distinctive DIDI DIDI sound by whistling. Ideal for wallets, cars, pets, children, bags, suitcases, and more. Keep your essentials secure and easily accessible with the key anti-loss device. Item Name: Key Anti-loss Device Material: ABS Power Supply: Built-in Button Battery(Included) Features: Whistle Remote Control, Portable, Waterproof Size Details: L: 5cm, W: 4cm, H: 1.2cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Pink 1pc, Red 1pc, White 1pc, Blue 1pc: 1 x Key Anti-loss Device or Pink 2pcs, Red 2pcs, White 2pcs, Blue 2pcs: 2 x Key Anti-loss Devices