Welcome to the store! 1. Waterproof Design: The wireless caregiver button has a slim and waterproof design, so it can be used outdoors without fear of getting wet from coffee or tea. 2. Prevent Loss: The wireless caregiver button can be configured with a lanyard for use as a pager for the elderly, making it less likely to be lost. 3. Long Range: The pager button can be used in open areas up to 330 feet (100 meters), 50 meters through walls, and across 1-3 floors. 4. Scope of Application: The smart call system is widely used as a doorbell, pager for the elderly, panic button, etc. 5. Sophisticated Appearance: The wireless pager button is exquisitely crafted, comfortable to the touch, and in classic black. Item Type: Wireless Call Button Material: ABS Wireless Receiving Distance: Approx. 330m/1082.7ft (Open Space) Wireless Frequency: 433MHz Built-in Battery Specification: 23A Battery/5 x 60mAh 5 x Wireless Call Button Your satisfaction is our top priority. We will provide you with the best service. If you encounter 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!