📌Device Model TKSTAR tk905b📌 Device Model TKSTAR tk915📌 ✳10000 mAh battery lasts 50 to 60 days. In standby mode, it lasts up to 90 days. 💲 250 SAR ✳5000 mAh battery lasts 30 to 45 days. In standby mode, it lasts up to 60 days. 💲 230 SAR Device programming and app explanation are free 📦 Shipping available to all regions To order, call the number (Mobile number appears when you press the contact button)