Specifications:

• Doorbell Type: Wireless
• Wireless Magnetic sensor power supply: 1*AAA alkaline battery(Batteries not included)
• volume: 0~113DB
• Use of premises: Home office villa hospital school factory store shop
• Type: Doorbells
• Remote Controller power supply: 1*12V 27A battery(Batteries not included)
• Receiving distance: 280M Remote (in open area)
• Receiver power supply: 3*AA alkaline battery(Batteries not included)+USB power supply
• Power Source: Battery
• Power Source: AC
• Model Number: KS-SF20R
• mode: Welcome,Doorbell,Alarm,Color light,Night Light
• Infrared motion sensor power supply: 3*AAA alkaline battery(Batteries not included)+USB power supply
• Features: Door Bell Welcome window Magnetic Motion Sensor Alarm night light
• DIY Supplies: Electrical
• Brand Name: SMATRUL