[Product Information]

✔FEATURES-Long operation range up to 500feet .57 quality chime tones,4 volume levels (25db-100db), You’ll never miss any important guests or urgent deliveries even if you are in upstairs. 4 color LED flash lights when door bell is ringing(Also good for the hard - hearing people). Receiver requires no batteries and can be plugged into any household outlet 100-240V50-60HZ AC. Transmitter (push button) includes transparent cover so you can add a personal note or apartment number.
✔2 TRANSMITTERS(PUSH BUTTON) & 1RECIVER: You can put the push button back door and front .First plug receiver into an electrical outlet (no batteries required for receiver).Second fix the push button to the doorframe with the attached adhesive tapes (Superior adhesive backing for optimum sticking power) or screws, , plug the receiver into the power.If there is a person who needs you they will just press the doorbell outside.Get it and can use it !
✔WIRELESS DOORBELL WATERPROOF - Transmitter is weatherproof to IP44. (can withstand Jets of water). It is strong enough to go through any weather type.Housings are tough ABS plastic which can withstand impacts.High quality materials and workmanship to ensure a long service life.
✔NEW DESIGN - KERUI wireless plug-in doorbell kit system has been designed address the issues of other home doorbells on the market. CE, FCC, ROHS certified.
✔PACKAGE & WARRANTY - Includes 1 plug in receiver unit and 2 remote transmitter button, double sided sticker, 12V 23A battery for the push button remote is included . Simply plug it into a power supply. KERUI have a 2 Year warranty ,100% quality & service guarantee.