DoubleButton Jeweller

Device Type: Wireless hold-up device Compatibility: Operates with all Ajax hubs and range extenders running OS Malevich 2.10 or higher Communication Protocol: Jeweller (two-way, encrypted) Radio Frequency: 868.0–868.6 MHz or 868.7–869.2 MHz (depending on region) Communication Range: Up to 1,300 meters in open space Power Supply: 1 × CR2032 battery, 3 V Battery Life: Up to 5 years Operating Temperature: −10°C to +40°C Humidity: Up to 75% Protection Class: IP55 (dust and water-resistant) Dimensions: 47 × 35 × 16 mm Weight: 17 g False Alarm Prevention: Dual-button press required; buttons are separated by a plastic divider to prevent accidental activation Alarm Confirmation: Supports alarm confirmation feature to reduce false dispatches Mounting Options: Can be fixed using a holder (sold separately) or carried on a keychain, wrist, or neck