RISCO’s internal sounder is an aesthetically designed, fully wireless unit designed for residential applications which extends the sounding of the alarm into the indoor environment and can be used to scare off intruders. Model: RWS42043300B Being fully two-way, the internal sounder can be mounted in a central location inside the premises close to where the user resides with the control panel safely installed out of the sight of intruders.. A unique feature of the sounder includes a pre-alarm feature that starts an entry delay countdown and sends an alarm if RISCO Group’s wireless systems are vandalized during entry delay. Features Fully battery powered Two-way wireless Fully supervised 105dBA piezo sound output, adjustable volume Local sabotage alarm following entry delay time Supports remote programming and diagnostics Cover and back tamper protection Model name: RWS42 Technical Specifications Power Supply: 5 X CR123, 3V Lithium Battery Typical Battery life: Up to 3 years Speaker sound level: 105 dB @ 1 meters Size: (Ø&D:) Ø183 x 51 mm (7.2 x 2 inch) Weight (batteries not included): 0.34Kg (12 oz) Frequency: 868 MHz / 433MHz Range up to: 150m (492’) Line of sight Temperature: - 25°C to 60°C (-4°F to 140°F) IP Rating: IP 44 Environmental Class: Class IV Specifications Power Supply 5 X CR123, 3V Lithium Battery Typical Battery life Up to 3 years Speaker sound level 105 dB @ 1 meters Size (Ø&D) Ø183 x 51 mm Weight (batteries not included) 0.34kg Frequency 433MHz Temperature - 10°C to 55°C IP Rating IP44