Jenile Portable Wireless Doorbell Alarm Clock Travel Pack - alarm clock functions on its own and as an alerting receiver for the wireless doorbell transmitter.
Alarm Clock Receiver alerts with optional sound and flashing light; flashing light plus vibrator; or flashing light plus loud vibrator.
Alarm Clock Receiver:
Rechargeable Lithium Battery (included and installed)
Weight: 132 g
Open Field Distance Range: 150 meters
Radio Frequency: 433 Mhz
Dimensions: 8.5 cm (L) x 11 cm (W) x 2.5 cm (D)
Doorbell SP14 Transmitter:
Power Source: 23A 12V Battery (included and installed)
Weight: 20 g
Transmission Frequency: 433 Mhz
Dimensions: 53 mm (H) x 34 mm (W) x 20 mm (D)