delta switching
三角洲切换
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Delta handheld can control up to three collars total (sold separately) and switching between different dog collars is effortless.
ENGADGET: Garmin announces new dog collars, talks up 'Bark Odometer'
应用推荐
模块上移
模块下移
不移动