Specification Brand : NineLeaf BulletPoint1 : 【Simple Installation】For the receiver, no wiring, no installation trouble, self-adhesive mounting, the detector is mounted on the wall. Before use, please read the instructions carefully and load batteries, adjust the angle of the sensor to avoid false alarms. Note: This unit is for indoor use, please don't install it in direct sunlight or rain forest. BulletPoint2 : 【Rich Ringtone Choice】Split sensor doorbell, the receiver has 17 ringtones to choose from with bright 4-color LED lights. There are also 4 retail store welcome ringtones. You can choose freely according to your personal preference. BulletPoint3 : 【Vibration Alert】New Silent Mode with Strong Vibration Alert for quiet environment or night time use, providing a more private and distraction-free experience. BulletPoint4 : 【Power Saving Design】NineLeaf Wireless Welcome Doorbell adopts the fourth generation of power saving technology to minimize the hassle of frequent battery replacement. It can be powered by batteries or micro USB, and can be recharged at any time, making it more convenient and environmentally friendly to use. BulletPoint5 : 【Applicable Range】 The working range between receiver and transmitter is up to 918 feet (280 meters). Suitable for stores, shopping malls, offices, factories, hotels, upscale clubs, homes and villas, and many other places. Self-adhesive tape for installation and comes with a one-year warranty. IncludedComponents : Compartments Included ItemName : Nineleaf Motion Detector, Door Alarm, Store Door Alarm, Commercial Door Alarm, 17 Tones, 5 Volume Levels, Vibration Function, 918ft Range, 4 LED Indicators, 4PK ItemTypeKeyword : motion-detectors Manufacturer : NineLeafTech ModelName : Wireless Doorbell ModelNumber : KS-SF20R-PRO NumberOfBoxes : 4 NumberOfItems : 4 PartNumber : NL-AMA03-KS-SF20R-PRO-4PK ProductDescription : NineLeaf Multifunction Welcome Warning Greeting Wireless Doorbell PIR Motion Detector Sensor
Motion detector doorbell is an intelligent security device with remote monitoring, sensitive detection, intelligent alarm and energy-saving design, applicable to a variety of places.
Parameters: Battery life: 5-7 months (calculated by 30 times per day) Volume: 80-96db (track difference) Working frequency: 433.92MHz Operating ambient temperature: Receiver:-10°C - 60°C Infrared detector: -10°C - 33°C Working environment humidity: < 80 % Storage temperature: -20°C - 70°C
Low battery indication: 1) When the infrared curtain battery is low, the LED flashes once every 3 seconds. 2) When the receiver battery is low, a low-battery sound is heard when switching on or changing modes. Please replace the batteries in time, otherwise the receiver will lose all its functions. 3)When the indicator light of the remote control becomes dark or the remote control distance is very short, please replace the batteries in time.