Key features

• •🔔【Easy Installation】 This wireless door bell has been paired before delivery. The easily installed battery doorbell button will be set up within 1 minute. All you just had to do was plug the security doorbell receiver into an outlet and ready to go.
• •🔔【Long Working Range】This Satisure doorbell wireless is operating range up to 1,300ft(400m) in open space. The doorbell transformer is adopt high-frequency electronic technology to control indoor doorbell chime. Great for your large homes, apartments, offices & classroom. And you will never miss any visitor!!
• •🔔【58 Ringtones&5 level Volume with Mute Mode】This wireless doorbell for home has 58 melodies for you to choose from, including the merry christmas ringtone. Even set different ringtones for the 2 buttons to distinguish the front and back door ringtones. 5 level adjustable volume(0 dB to 115 dB) to meet the requirements of different people.
• •🔔【Waterproof Push Button for Outside】Remote doorbell button is rated IP55 waterproof and functional between -5 °F to 158 °F, and it does not consume power without being pressed. Battery life: 3 years
• •🔔【Smart Memory Function】The long range doorbell remembers your previous melody and volume level - even after a power outage. This thoughtful feature ensures your personal touch doesn't get deleted.
• •🔔【100% Guarantee & Service】Delivery content: 2 wireless transmitters and 4 plug-in receivers, double sided mounting tape, anchors, screws and 1* 12V battery(pre-intallled in transmitter). We will offer 12 Months warranty and free lifetime technical online support within 24 hours. Please feel free to contact us if you have any questions.