METAK Wireless Doorbell Alarm with Open Contact Sensor, Range 500 Feet, 58 Ringtones and 5 Volume Levels for Business/Business/Home/Office at the Entrance

Product description

• Easy to Install The sensor and receiver are already paired, all you need to do is connect the transmitter, connect the receiver to any standard socket, choose the sound you like, and we'll get started.
• LONG LASTING With a standard AAA battery and ultra-low power design, the sensor can easily last 1 2 years. This means that the battery is replaced less frequently, saving time and money.
• ESSENTIAL Long and reliable working range of 500 feet, perfect entrance warning bell when opening the door for home and business. What about the unsafe front door, the child safety door, the upper window, the cabinet, the cellar door...
• Low noise at 120dB 58 unique long and short tones with 5 adjustable volume levels. The maximum volume of 120dB is high enough to be heard anywhere in the house so you never miss an alarm. Do you prefer not to be disturbed? Put it quiet.
• Reliable After Sales Service One year warranty and lifetime friendly service. We have started manufacturing safety products since 2004 and are therefore convinced of the quality of each unit sold. We will never disappoint you, take your door now