Doona SensAlert

Compatible with most car seats and boosters Share one device with up to 3 users simultaneously 3 alert levels: phone notification, phone call to smartphone, and emergency contacts Set up to 5 emergency contacts in the app Automatic connection to the smartphone’s Bluetooth Low-frequency Bluetooth signal Notification indicating that the device's battery is low Washable textiles Product dimensions (WxLxH) 0.7 x 8.2 x 7.1 in 1.8 x 21 x 18.1 cm Product weight: 0.24 Ibs / 0.109 Kg Group: 0+ Material: Polyester, Jersey Polyester Technology: Capacitive sensors Device Compatibility:iOS: 11 or newer Android: 5.0 or newer Power Supply: 2x CR 2032 replaceable, Duration: 1 year, based on average use of 1 hour per day Operating temperature: -20°+60°C