Description: The bGeigieZen is a high-quality open-source Geiger counter. More details at https://bgeigiezen.safecast.jp/features/. We offer two models: Standard Model: Includes a TP4056 battery controller module. NFW Model: Does not include a TP 4056 battery controller(still can be charged by QI charger and by USB-C on the M5StackCore , providing a simpler, more Zen-like experience. Ordering Information: Orders will be accepted via PayPal. Units are currently being built; customers will be notified when their orders are ready for shipment. Shipping typically occurs at the end of each month. If you require earlier shipping, please let us know. Bulk Orders: For orders exceeding 10 units, please create a custom order through the following link: Custom Order. Note: The 18650 Lithium battery will not be included for orders outside of Japan.