The alarm goes off with loud sound, strong vibration and bright light to wake your child. Easy to wear around baby's upper arm, adjustable elastic armband to ensure fit snugly and comfortably. Mini sized alarm is easy to hide under clothes, good to use for potty training and help to cure the bed wetting problem. High sensitivity sensor detects the urine and alerts the child as soon as bedwetting occurs. Suitable for babies, children, elders or people who cannot take care of themselves. Bedwetting alarm with sensitive sensor and soft elastic armband, good to use for potty training and help to cure the bed wetting problem. Specifications: Color: White Material: ABS Power Supply: 2 * 3V 150mAh CR2025 Button Battery Wire Length: 92cm Item Size: 5.0 * 5.0 * 1.5cm / 1.97 * 1.97 * 0.59in Item Weight: 47g / 1.66oz Package Size: 10.3 * 10.3 * 4.4cm / 4.06 * 4.06 * 1.73in Package Weight: 138g / 4.86oz Package List: 1 * Bedwetting Alarm 1 * Screwdriver 1 * User Manual (English) 2 * Sticker 1 * Record Card