CMF1188 Home Music Remote Control Wireless Doorbell with 38 Ringtones & Colorful Flashing Lights + Ringtones / Ringtones / Colorful Flashing Lights 3-Modes (White)

1. Frequency: 433MHz 2. Transmitter power supply: CR2032 button battery, quiescent current is less than 5uA 3. Receiver power supply: 3xAAA dry battery (excluding battery) or DC 5V adapter, quiescent current is less than 0.15mA 4. Learning code matching, free combination 5. Remote control distance: 200 meters 6. Three modes are available: colorful flashing light + ringtone, only ringtone, only colorful flashing light 7. Product material: ABS 8. Transmitter size: 6x4x1.5cm 9. Receiver size: 8.3x5.7x2.3cm