Super Long Working Distance
The wireless doorbell kits support 900feet (300m) operation range in open space.

IP45 Waterproof Transmitter
The transmitter is waterproof, so you can install it on the outside for your conveniencbr>
Easy to Leave Message
There is a compartment at the bottom of the transmitter that you can delivery some news to your visitors or they can leave some message to you.

LED Flashing Alert
When you press the transmitter button, it will give you a blue flash light to add an additional alert for the hearing impaired. The receiver also will flash white light when receiving the signal.

Easy Installation
Just plug receiver into an electrical outlet (no batteries required for main receiver) and install the transmitter.

Customize Your Doorbell
You can customize your doorbell with several transmitters and receivers for your requirements.

Specifications:
Receiver Working Voltage: AC110V(US)/AC220V(EU UK AU)
Battery in Transmitter: 12V 23A alkaline battery
Operation Range: 1000 feet (Open Space)
Selectable Ringtone: 52pcs
Volume Range: 30-110db; 4 levels

Note:
1.The battery for transmitter has been installed. Please pull out the insulating strip before using.

Package Included:
1 * Transmitter (DC powered & A 12V 23A alkaline battery included)
1 * Receiver (AC powered)
1 * Double-sided adhesive tape
2 * Screws
2 * Anchors
1 * User Manual
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• Long Range of over 900ft in open air - Even there are many obstacles (doors, walls), the operation range can still reach up to 100-500ft.Either you are occupied in the garden or kitchen, you will always be easily informed when someone is calling from outside. FCC, RoHS certified.
• Easy Installation - No batteries needed for the plug-in receiver. The push button can be fixed to the doorframe with the attached adhesive tapes. Besides, the push button is rated IP44 and weatherproof for outdoor use.
• There are 52 different types of sound that you can easily choose by pressing the forward/back button on the receiver. 4 levels of adjustable volume from 30db-110db. Customize your volume easily by volume button.
• The transmitter button will flash blue light to add the additional alert assistance for the hearing impaired. The receiver will also flash white light to give them a friendly hint.
• 30 days Return & Refund policy without hassle; Get the full refund quickly or free replacement if you aren't completely satisfied; Free lifetime technical support and 12-month manufacturer's warranty.

Long Range of over 900ft in open air - Even there are many obstacles (doors, walls), the operation range can still reach up to 100-500ft.Either you are occupied in the garden or kitchen, you will always be easily informed when someone is calling from outside. FCC, RoHS certified.KOMRT