65-105dB Wireless Pager SOS Alert Button for Caregiver Home Elderly Patient Nurse 2 Receivers Features: 1. Specially developed for the elderly, the sick, pregnant women, the disabled, children and other vulnerable groups of AIDS warning tools, in order to quickly and easily call for help. 2. Simply press the call button and the alarm will sound and light up simultaneously through the wireless receiver to remind. 3. 32 melody or alarm sounds are prepared for choosing, and it's easy to adjust the alarming volume high or low with 3 volume adjustment buttons. 4. When the sound comes out, you can stop it at any time to avoid being too noisy. 5. Three operating modes for choosing, including flash lamp, flashing lamp and alarm sound, alarm sound. 6. Long transmitting distance up to 196.9yd (180Meters) in the open area, strong signal for better safety. 7. Transmitter is desined with LED lights and large panel buttons for convenient use,  waterproof design enhances the using safety. 8. Portable and lightweight, the transmitter is equipped with a lanyard, you can hang it around your neck, put it in your pocket or put it by your bed. The receiver can be mounted on a wall or carried in a pocket. Specification: Condition: Material: ABS Shell Color: As Pictures Shown Volume: 65-105db (3 Levels Adjustment) Song: 9 Alarm Sound +23 Music Main Host Power Supply: 3 x AAA Batteries (Not Included) Remote Control Transmitting Power: <20mW  Transmitter Standby Current: 1<UA Transmitter Battery: CR2032 (Not Included) Reception Distance: Approx. 180Meters/196.9yd in Open Environment Application: Home, Office, Hospital, Children, Office, Door, etc. Transmitter Size: Approx. 4.2x1.8x8.5cm / 1.7x0.7x3.4in Receiver Size: Approx. 6.2x3.4x11.7cm / 2.4x1.3x4.6in Package List: 2 x Transmitter 1 x Receiver  1 x Manual