Wireless Mini Alarm with Built-in Siren, 6 Meter Battery-Powered Remote Control with 2 Remote Controls! Portable ORNO mini alarm is designed to secure the facility. A portable alarm device using infrared radiation. It can be operated by remote control with a built-in siren and motion sensor (2 pcs included). The device detects traffic from a distance of 6 meters. 110 horizontal viewing angle, volume: 90 dB. Set includes: 1 pc. - Wireless alarm with built-in siren 2 pcs. - Remote control to operate the alarm Mounting handles Mounting screws and pins Instruction Technical specifications: Transmission type: wireless Power supply voltage: 4 x AA Viewing angle: 110pcs. Detection range: 6m Number of ringtones: 1 Ringtone volume: 90 db Volume control: no Optical signaling: no Transmitter protection class: IP20 Color: white Expandability: no Other features: option to use a 6VDC power supply Dimensions: Width: 95 mm Height: 125 mm Depth: 50 mm Technical specifications: Transmitter power supply: 3 x LR44 Transmitter dimensions: Width: 60 mm Height: 37 mm Depth: 20 mm