1.Wireless doorbell, battery operated
2. Self-learning. user can match any bell with any push from different package
3. 150+ meters range (Unobstructed)
4.32 polyphonic melodies
5.Volume control in 3 levels
6.LED strobe in the bell and the push
7. Battery for push: 1*12V/A23(included); for bell: 2*1.5V/AA
8.IP 44 waterproof push
9. Surface is acrylic(PMMA)
10.50mm untra-thin speaker
11.Push: 86×36×20mm
   Bell:86*128*33mm