Material: ABS + PC - Model: JD-163 - Color: White - Quantity: 1 - Power supply: DC 9V - Voice decibels: 95dB - Battery type: 9V 6F22 battery - Output signal: Independent output - Standby current: 10uA - Operating temperature: -30'C~50'C - Alarm volume: 85dB (within 10 feet) - Installation: Ceiling installation mounting height: 4 m - Case size: flame retardant resin / 107 x 50 (mm) - Probe temperature: 45'C~75'C or alarm the standby indicator light and alarm - Probe concentration: 10% ~95% - Quiescent current: - Alarm current :10~15mA - High stability and reliability - Detection range: 8 x 8m - Packing list: - 1 x Alarm - 1 x 9V 6F22 battery - 2 x Screws - 1 x Chinese user manual