Motion Sensor Doorbell and Alarm for Business Use

EASY TO ASSEMBLE & USE - No worry about the installation, just follow the manual we provide step by step USEFUL & EFFECTIVE - The motion sensor can detect any movement within 3-7 meters, you will know anyone entering your setting area 38 KINDS OF ALARM WAY- You can choose 38 different musics or just set to silent with blue light twinkle WIDE APPLICATION - Perfect use for your business shop security, garage door, backyard, driveway protection, apartment, doorway entrance etc LIFETIME WARRANTY - Place order with our awesome motion sensor alarm now, you will get lifetime warranty! 【Long Range】Working Range up to 328 feet (100 meters) between receiver and transmitter allowing you to place it a good distance from the receiver to warn you of arrival and departure of family members, unwanted guests or solicitors, or anyone who visits your home or business. 【Widely Used】Ideal for home front doors, mailbox, window frames, driveways, walking paths, child, elder and anywhere in your home you want to be alerted to motion. Also great to alert business owners that are working in the back, or out of sight, to customers entering their store.