Loras Wireless Doorbell Kit， 1 Receiver &amp; 1 Push Waterproof Button with Sound， 38 Melodies to Choose， Operating at over 1000-feet Range<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>1 transmitter button triggers (rings) 1 chime units bell.</li><li>Long Range: Operating range up to 1，000ft/300m in open area ensures you to hear the bell and answer the door in time.fives levels of adjustable volume from 25db to 110db（In the case of an obstacle at least 500 feet）.</li><li>Multiple Volume Option - 3 levels of adjustable ringing volume over than 85dB within 0.5m/1.6ft， 38 different chimes and three chime modes: Chime， Flash.</li><li>Easy Chime Design - Lead-free， non-toxic， Classical &amp; piano black surface.</li><li>Easy Installation - The chime unit can be free standing or wall mounted with the included hardware， the push button can be fixed to the doorframe with screws or the attached adhesive tapes.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wZ8Ry8tkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41X9YHotYnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41i6i1uY1pL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51CNsmy8unL.jpg" noproxy>