Specifications:

• Working Voltage: AC110-240V
• Working Distance: about 100m (open area)
• Wireless Frequency: 433MHz
• Origin: CN(Origin)
• Item Type: Wireless Doorbell
• Feature 4: Wireless Door Bell
• Feature: 36 Songs Optional Welcome Doorbell
• Feature 3: Smart Doorbell
• Feature 2: 150 Square Meters Audible
• Feature 1: 8 Levels Adjustable Volume Doorbell
• Coding Mode: 1527/330
• Model Number: PJ-16
• Brand Name: PGST
• Certification: CE