50M Wireless Waterproof Doorbell White

100db (max) -110dbm 433.92 MHz ± 280KHz 10mW 90~250Vac Product Nett weight: 0.135kg Product Dimensions: W45 x D 24 x H 120 mm (excl packagaing) Country of Origin: China Material of product:Plastic & Aluminium Warranty: 1 Yr Whats included in the box:Push button, Chime, Fixing kit, User guide IP54 (transmitter only) 2x AA (not supplied) 1x CR2032 (supplied)