*Please note that we DO NOT accept returns on avalanche beacon purchases* A digital three-antenna device reduced to the essential functions. The Barryvox® scores well on simple navigation and clear instructions. With a large receiving bandwidth and an effective search strip width of 70 meters, it offers users a simple interface and intuitive operation. From an easy-to-read display to buttons that can be operated even wearing gloves, shock-proof and break-proof housing and a revolutionary simple visual interface, the Barryvox® shows that powerful performance and sophisticated search guidance do not need to be complicated. Type: Digital 3-antenna device Weight including batteries [g]: 210 W-Link frequency: 916-926 MHz Height: 27 mm Width: 67 mm Length: 115 mm Battery life: Alkaline: around 300 hours SEND Battery type: Alkaline 3 x AAA 1.5 volt Batteries included: Yes Sending frequency: 457 kHz Digital search strip width: 70 m Buried subject marking: mark EN standards: EN 300718 Warranty: 2-year warranty; additional 3-year Mammut guarantee if registered year Made in Switzerland: 100% Made in Switzerland, produced and developed in Switzerland Digital receiving range: 70 m Circular receiving field: almost identical receiving range for X and Y antennas Display: display with background lighting, very easy to read even when wearing polarized glasses Acoustic search guidance: allows the rescuer to visually search the avalanche field Reverse direction function to avoid 180° search errors Group test with clear instructions Visual interface: shows distance, direction and number of buried subjects Design: ergonomic, impact-proof and break-proof. Can be operated while wearing gloves Device tests: automatic self-test and function test Multiple buried subjects: digital signal processing in the event of several buried subjects Automatic switching from send to search (Auto Revert): if a rescuer does not move for 4 minutes, we assume a secondary avalanche and the device switches to SEND mode (motion-sensor controlled) Attachment: includes highly functional Barryvox carrying system W-Link: Additional communication channel for improved search performance Manage the device fleet via W-Link Updatable software Operating temperature: -25° to +45° Celsius (-13° to +113° Fahrenheit)