Instant Care - Press the alarm button on your personal SOS watch to send emergency alerts to caregivers. Press the alarm button and the receiver will alert your loved ones to let them know you need help. Easy Installation - Plug and Play: Just plug it in and it's ready to go. The Wireless Call Button Transmitter can be worn as a pendant, placed in a pocket, mounted on the wall using a stand, or placed near the patient. Personalized response - The wireless care receiver offers four options, including light signals for users with limited hearing: a) Ring and flash b) Ring c) Flash d) Silent. The receiver also features caller ID, letting you know who is calling for help. The system can be expanded to accommodate additional receivers and call buttons. The upgraded version of the call bell also has a low battery reminder function. Wide coverage - no landline or Wi-Fi required. Our emergency alarm equipment protects you no matter where you are, with coverage up to 150 meters including outdoor areas such as front and backyards. Wireless Wristband - Simply use the magnetic USB cable to charge your watch's call button. The wrist emergency button takes 1.5-2 hours to fully charge. Each full charge can support 3-5 days of heavy use or 7-10 days of daily use. Standby time is up to 30 days. The call button of the bracelet is detachable, making it easy to put in your pocket or put on the table for use. No pairing required, just plug in and use Package includes: Receiver*1 SOS wristband*1 SOS wristband charging cable*1 SOS button*1