Welcome to the store! 1、Quick Call: In case of emergency, simply press the call button to immediately send the alarm message to the receiver. 2、Stable Signal: The working range can reach up to 1000 meters in an open area, ensuring you'll never miss a call, even at night. 3、Alarming Mode: Features 3 types of alarm modes: flashing and vibration, flashing and buzzer, flashing and vibration and buzzer. 4、Extensive Use: Can be widely used in homes, nursing homes, hospitals, and so on, perfectly suited for the elderly, patients, etc. 5、Easy to Carry: Comes with a light weight and a compact size, ideal for both indoor and outdoor use, protecting your safety. Item Type: Caregiver Pager See Receiver Parameter: Operating Frequency 433.92MHz Charging Voltage: DC5V Working Voltage: DC3.7V Lithium Battery Model: 602030 Battery Capacity: 300mAh, included. Working Current: 100±20mA in vibration and buzzer mode, 75±10mA in vibration mode. Standby Current: 10±5mA Receiving Sensitivity: -107±2dBm Decoding: Learning Coding Waterproof Grade: IPX7 Working Temperature: -20℃~ 60℃ Button Starter Parameter: Operating Frequency 433.92MHz Material: ABS Battery Type: 1 x 23A12V battery. Battery Capacity: 80mAh, included. Emission Current: 10mA±3mA Standby Current: <1uA Open Distance: Approx. >1000m / 3280.84ft Key Presses: 1000,000 times Waterproof Grade: IPX4 Working Temperature: -20℃ ~ 55℃ Single Button: Call 1 x Receiver 1 x Button 1 x Charging Cable 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!