HIKVISION DS-PK1-E-WE, DS-PK11-E-WEUHK Mwongozo wa Mtumiaji wa Kinanda cha LED Isiyo na waya
HIKVISION DS-PK1-E-WE, DS-PK11-E-WEUHK Wireless LED Keypad FAQ Q: How often should I replace the batteries? A: It is recommended to replace the AA batteries with a capacity of 2300 mAh each every two years or when low power is indicated.…