Part Number:Pilipaneu83yhfgikm Product Dimensions:7 x 4 x 2 cm; 100 Grams Finish:Finish Material:Material Power Source:PowerSource Voltage:1 Volts Installation method:InstallationMethod Item Package Quantity:1 Included Components:inc Item Weight:100 g Features: The detector is super sensitive, not reporting false alarms. It can plug in or use battery. Fully automatic infrared sensing, with strong sensitivity, can not be affected by light. So the doorbell can be sensed during day and night. The swivel bracket makes it easier to adjust the monitoring angle. You can place it anywhere or fix it on the wall. The built-in speaker of the host has a welcome loudness of 855 decibels, which is the loudest in the welcome family. 16 music infrared welcomes(available in day and night) has two levels. The first level is welcome, and the second is dingdong & 16 music & alarm sound (adjustable). Specification: Color: White Material: ABS plastic Sound: The first Level: Welcome The Second Level: Dingdong +16 music + alarm sound (adjustable) Battery: 3 AA batteries (not included) Remote Detection: 0-6 meters Applicable Temperature: 0-25 Package List: 1 x Welcome Sensor 2 x Base Note: 1.Each time the battery is installed, the product needs to be self-tested for about 15-20S, and then enter the normal working state. 2.Sensitivity and volume have been set in standard state, not adjustable. 3.If the product has an automatic sound or abnormality, please check the battery power supply or the installation position is correct. 4.Avoid directly facing the illuminating light / sunlight / reflection / direct exposure, if the ambient temperature is too high (above 30 degrees), the device will appear from far to near, which is in normal. About this item [SENSITIVE MOTION DETECTION] - The super-sensitive detector avoids false alarms and can be plugged in or battery-operated. Infrared Motion Detector [FULLY AUTOMATIC INFRARED SENSING] - The doorbell features strong sensitivity to motion and is not affected by light, allowing it to function both day and night. Home Security Alarm "[ADJUSTABLE MONITORING ANGLE] - The swivel bracket enables easy adjustment of the monitoring angle, allowing you to place it anywhere or fix it on the wall. Independent Sensor Alarm" [LOUD WELCOME SOUND] - The built-in speaker produces a welcome sound with a loudness of 855 decibels, making it the loudest in the welcome family. Infrared Welcome Sensor [VERSATILE OPTIONS] - With 16 music options and two levels of welcome tones, this doorbell is powered by 3 AA batteries, making it energy-saving and durable. Suitable for shops, warehouses, office buildings, factories, and homes. See more product details [SENSITIVE MOTION DETECTION] - The super-sensitive detector avoids false alarms and can be plugged in or battery-operated. Infrared Motion Detector [FULLY AUTOMATIC INFRARED SENSING] - The doorbell features strong sensitivity to motion and is not affected by light, allowing it to function both day and night. Home Security Alarm "[ADJUSTABLE MONITORING ANGLE] - The swivel bracket enables easy adjustment of the monitoring angle, allowing you to place it anywhere or fix it on the wall. Independent Sensor Alarm" [LOUD WELCOME SOUND] - The built-in speaker produces a welcome sound with a loudness of 855 decibels, making it the loudest in the welcome family. Infrared Welcome Sensor [VERSATILE OPTIONS] - With 16 music options and two levels of welcome tones, this doorbell is powered by 3 AA batteries, making it energy-saving and durable. Suitable for shops, warehouses, office buildings, factories, and homes.