Never Lose Your Keys Again with This Smart Key Finder! Main Features: Sound-Activated Technology: Simply whistle and your keys will respond with bright LED lights and sound Easy to Use: Perfect for elderly users with its simple activation method Bright LED Indicator: Clear visibility in dark conditions Compact Design: Lightweight and portable key pendant Long Battery Life: Low power consumption for extended use Perfect For: Elderly people who frequently misplace keys Anyone looking for a practical solution to keep track of keys Indoor use in homes and offices Great Christmas or holiday gift idea Product Details: Operating Voltage: 3V Sound Level: ?Y60dB Power: Low current consumption Style: Modern practical Type: Electronic key finder Suitable for: Adults and elderly Instructions Included: Yes Manufacture Country: China Label: Yes Note: Due to different display settings, the actual color may slightly vary from the image shown.