【No Battery Required】Wireless Doorbells for Home， WOLILIWO Waterproof Doorbell Chime Kit， Door Bell
<p><b>Features:</b> </p><ul><li>100% SATISFACTION: Our wireless doorbell & doorbell chimes is approved by FCC-ID, CE and CNAS; we provide quality product to our customer.</li><li>SELF-POWER TRANSMITTER DOOR CHIME: (No batteries required)Wireless doorbell with transmitter is converting the energy from finger press, one receivers are easy to get rid of the worry about changing batteries, more environment friendly.can durable for up to 20 years.</li><li>38 MELODIES & 4 VOLUME LEVELS: Wireless doorbell business loud chime, adjustable volume levels, enjoy pleasant melodies whenever someone rings at your door.also works in classrooms, as an alert,home, offices, stores, apartments, villas, hospitals and for the hearing impaired.</li><li>WATERPROOF DOORBELL CHIME:wireless doorbell working temperature ranges from -4 °F-158°F; various harsh weather conditions can be used normally.</li><li>EASY TO INSTALL&USE:2 Way can choose,(Use the double-sided patch or Screw installation ) the includes...