• 55 Ringtones to Choose: After the power is turned off, the set ringtone can be locked, and the set ringtone is still the same as before after the power is turned on
• Strong Signal: It can penetrate 3-4 walls and wireless range up to 300 meters in the open area, great for large houses including villas, apartments, offices, shops, warehouses, etc.
• Upgraded Metal Speaker: With clear and loud sound, produces pleasant sound without noise
• 5 Levels of Volume Adjustment: Support 5 levels of volume adjustment, can also be muted
• Colorful Flash Design: The receiver has a flash design to better attract attention
• Easy to Install: The transmitter is powered by a battery, and the receiver has a built-in plug to get power, no need for wiring, easy to install

Specifications:

• Receiver voltage: 110-260V/50-60Hz
• Transmitter battery: 1 x 12V 23A alkaline zinc-manganese battery (included)
• Ringtones: 55 polyphonic music
• Operating frequency: 433.92MHz ± 280KHz
• Operating temperature: -30 to +70℃
• Receiver size: 82 x 82 x 22mm
• Transmitter size: 60 x 60 x 15mm