2 wired smoke detectors for home safes 

Features: 

• Static current: ≤ 10uA
• Alarm current: ≤ 12mA
• Operating voltage: 12/24V DC
• Temperature range: -10 to 50°C
• Relative humidity: ≤95% RH
• Alarm output: COM NC/NO (select by jump) by relay
• Double LED light alert
• Sensor sensitivity grade: II
• Sensor: optical
• Digital smart program analysis technology
• Ceiling mounted
• User-friendly design and easy to wire
• Manual test function
• Automatic reset function
• Alarm volume: 85dB
• Alarm method: independent/networking
• Size (L x W x H): 104 x 104 x 54mm

Packing: 

• Packing with white box
• Carton size: 52 x 36 x 36cm
• 100 pieces/carton
• Net weight: 14kg
• Gross weight: 16kg

• Model Number: DP-420
• Color: White
• Material: ABS or other Plastic
• Relative humidity: ≤95% RH
• Operating voltage: 12/24V DC
• LED Indication: Alarm and Low battery warning
• Conformed: EN14604 Standard
• OEM Service: Can
• Alarm method: independent/networking
• Alarm volume: 85dB
• Sensor: optical