Collar & Leash Type:plication:Small AnimalsFeature:Eco-Friendly,StockedColor:GoldenSize:Dimension 30.2mmBattery:Built-in Li-poly 150mAh batteryMaterial:Aluminum alloyWeight:0.2 lbs 8.8gStandby Time:4 months per chargeProcessor:32bit ARM processorOther sensor:Temperature sensorooth 4.0 Low EnergyItem Name:pet tag