USUPERINK Motion Sensor Doorbell, Door Chime for Business Entry, Store Welcome Buzzer Monitor,Motion Sensor Detect Alarm, Caregiver Reminder for Elderly, Visitor Bell, 2 Pack

Parameters 1..Battery Lifespan:5-7 months (based on 30 times per day) 2.Working Frequency:433.92MHz 3.Working Temperature:10 degree below zero to 60 degree above zero 4.Operating Humidity:below 80 percent 5.Storage Temperature:20 degree below zero to 70 degree above zero Features: 1.Can maximum learning 32 infrared, vibration, magnetics etc wireless sensor accessories and 8 remote controllers. 2.Remote transmission range up to 280M/918ft in the open space. 3.Install the transmitter in the ceiling or aisle of the entrance where customers and intruder go back and forth, installation by screws will be more firm than double-sided tap which required tidy and smooth surface. 4.After instllation, press the receiver ON/OFF button to enter into welcome reminder mode, test the wireless transmission distance, adjust angle of the transmitter.Try to ensure that the people come in from different position can be detected by repeating tests. Batteries and Power 1.3*AAA alkaline batteries for PIR transmitter, 3*AA for Receiver, please note the negative and positive. 2.Alkaline batteries are recommonded, other types will shorten standby time and lower the alarm volume, Micro USB is alternative for power supply;battery supply will be automatically cut off if AC power, and can be standby power supply if power off. 3.You will hear short "DU" and see LED colorful lights flashing after loading the batteries for receiver, load the batteries, turn on the transmitter, the blue LED indicator will be on for 5 seconds. Low Batteries Indication 1.Infrared curtain LED flashes once every 3 seconds 2.Receiver:if you hear the low battery indication sounds when it is in application, please replace the battery in time, or all functions cannot be realized. 3.LED indicator gets darker or wireless range get shorter

• Multi-function:Intelligent welcome/doorbell/alarm/color light/lighting, 4 levels volume and Led lights color vary depending on the programmed area. Shop keeper in the day time and anti-thief in the night.
• Motion Detector:Door chime trigger by motion, alarm triggered, keeps you aware of intruders or visitors anywhere around your home.
• Long Detection Range:Light control distance is 280m/918ft in the open space.The chime is triggered by detecting the motion of the visitor passed by.
• Different Music Tones:8 chord music chip,40mm big horn, 36 chime melodies, remember your last set melody and volume level once powered off, colorful LED lights, adjustable brightness, distinguish multiple entrences by different colors.
• Application:shops, Commercial Complex, Luxury Hotels, offices, factories, homes, vallies, driveways, walking paths, supermarkets, restaurants, etc