The Jenile Portable Wireless Doorbell Alarm Clock Travel Pack alarm clock functions on its own and as an alerting receiver for the wireless doorbell transmitter.
The 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)