• Wireless system.
• Super long receiving distance.
• Environment friendly energy saving system.
• 26 melodies for selection， you can select your favorite.
• You can install the doorbells in locations， such as kitchen， backyard， bedroom， etc. never miss the guest.

Package Details Weight: 219.35 g
Size: 21*16*4 cm
Package Includes 1 × Doorbell
1 × Remote Control
1 × Battery