Remove item Thumbnail image Product Price Quantity Subtotal × USB to ESP-01S Wifi Module Serial Port Shield Points: 1 RM13.00 USB to ESP-01S Wifi Module Serial Port Shield quantity RM13.00 × SIM5320 3G Module Points: 1 RM230.00 SIM5320 3G Module quantity RM230.00 × Active Buzzer Module Points: 1 RM15.00 Active Buzzer Module quantity RM15.00 × 2 x 18650 Battery Holder with DC2.1 Power Jack Points: 1 RM4.90 2 x 18650 Battery Holder with DC2.1 Power Jack quantity RM4.90 Coupon: Apply coupon Update cart Cart totals Subtotal RM262.90 Total RM262.90 Proceed to checkout