<p>【Long Range Signal】The penetrating wireless signal can be transmitted up to 300m in open space and long distance even with many obstacles (doors, walls).</p> <p>【36 Melodies & 4-Level Volume】36 CD-quality ringtones are for your choice by pressing the receiver button, with 4 adjustable volume levels 25dB-85dB.</p> <p>【Waterproof Doorbell】The transmitter button made of superior material is waterproof to IP44 standard, stable performance is guaranteed for outdoor use, no worry for all weather conditions.</p> <p>【Flash LED】Blue Flash LED on the button and receiver is a visual indication for host and visitor, it is also a fun and thoughtful design for the hearing impaired, as it lights up when in use.</p> <p>【Installation Easy】2 steps Plug the portable receiver into any power outlet, and stick the transmitter on the wall with the provided patch or screw. The receiver does not require a battery. Unplug the receiver to stop the chime.</p> <p>Portable wireless doorbell kit with 300 Meters Range, with Blue LED alert and 36 melodious tunes at 4 adjustable volumes, small DIY accessory to install in your home, office, hotel, etc. to bring you more security and convenience.</p> <p>Long Range of 300 Meters</p> <p>The signal can be transmitted up to 300 meters in an open space. Plug the receiver into a back bedroom on the first floor, press the transmitter button on the ground floor, the two respond very well even with spaces, walls, doors between them.</p> <p>The frequency between the two is unique, you will have no worries about interference with other remote-controlled devices.</p> <p>Easy to Install</p> <p>Simply plug the receiver into an outlet and attach the transmitter to the wall or door frame using the provided tape or screws.</p> <p>36 Melodies and 4-Level Volume</p> <p>Offering 36 tunes to choose from with a clear and pleasant sound, the doorbell enriches your daily life by entertaining you and your children. There are 4 volume levels available, you can adjust according to circumstances.</p> <p>Blue LED Indication</p> <p>When the button is pressed, a blue light will flash on both transmitter and receiver, clear indication.</p> <p>Package:</p> <p>1 * Waterproof Transmitter (battery included)</p> <p>1 * Receiver</p> <p>1 * Double-sided Adhesive Tape</p> <p>2 * Screws</p> <p>2 * Anchors</p> <p>1 * Screwdriver</p> <p>1 * User Manual</p> <p>Note:</p> <p>Remove the insulating tape before connecting the receiver.</p> <p>Even though the transmitter can withstand harsh climates thanks to IP44 protection, it is better not to expose it to direct sunlight and rain.</p>